Featured Listings

P/N: 6887761, Thermocouple Harness, S/N: FF6744N, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$299.99
asimro (14 )

 

P/N: 6899279, Fuel Filter Assembly, S/N: ATS11484, As Removed, RR M250 (Facet Enterprises PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Facet Enterprises PMA) Fuel Filter Assembly in As Removed condition, with Repairable tag included.See the description bel...

$1,398.00
dakotaairparts (4 )

 

P/N: 6889168, Scavenge Oil Pump Cover, S/N: 30469, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Scavenge Oil Pump Cover in As Removed condition.See the description below for more details. 

$633.24
dakotaairparts (4 )

 

P/N: 6895171, Check Valve Assembly, S/N: 90120631, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Check Valve Assembly in As Removed condition with Repairable tag.See the description below for more details. 

$200.00
dakotaairparts (4 )

 

174 listings found. Showing results 1 to 80
P/N: 2541924, Torsion Shaft Assembly, Serviceable Honeywell, ID: AZA

ASI is offering a Honeywell Torsion Shaft Assembly in Serviceable condition, with a serviceable tag included.See the description below for more details.

$2,695.00
asimro (14 )

 

P/N: 2540541, Multiple Ratio Lever Assembly, Serviceable, Honeywell, ID: AZA

ASI is offering a box of Multiple Honeywell Ratio Lever Assembly in Serviceable condition with serviceable tag. See the description below for more details.

$1,600.00
asimro (14 )

 

P/N: 6893077, Gas Producer Thermocouple, S/N: FF4299E, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Producer Thermocouple in As Removed condition with a repairable tag included.See the description below for more details.

$630.33
asimro (14 )

 

P/N: 23007826, Shut Off Valve, S/N: 610, As Removed, RR M250(Valcor Engine Corp PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Shut off Valve (Valcor Engine Corp PMA) in As Removed condition.See the description below for more details. 

$2,315.88
dakotaairparts (4 )

 

P/N: 105-000-022-1SS, Fuel Cell, S/N: FPT 1S4231, Serviceable, Bolkow 105 PMA, ID: D11

Make us an offer, we're not shy! Dakota Air Parts is offering a Bolkow 105 Fuel Cell (PMA) in Serviceable condition, with original packaging included. Fuel cell is s...

$10,000.00
dakotaairparts (4 )

 

P/N: 6876557, Double Check Valve, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Double Check Valve in As Removed condition, with identification tag included.See the description below for more details.

$845.00
asimro (14 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF8J19, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag. See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF8J04, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6854851, Fuel Pump Spur Gearshaft, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Pump Spur Gearshaft in As Removed condition.See the description below for more details. 

$1,500.00
dakotaairparts (4 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF2H05, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 23034926, Gas Produce Thermocoupler, S/N: FF289313, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag includedSee the description below for more details.

$280.00
asimro (14 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF931Q, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a identification tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF3564, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF7H27, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 23034702, Fuel Control, S/N: 2AAC629, As Removed, RR M250 (Chandler Evans PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Control (Chandler Evans PMA) in As Removed condition with a ID tag included.See the description below for more detai...

$5,000.00
dakotaairparts (4 )

 

P/N: 6876814, Gas Produce Thermocoupler, S/N: FF1837P, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 23034926, Gas Produce Thermocoupler, S/N: FF289313, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Gas Produce Thermocoupler in As Removed condition with a repairable tag includedSee the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF0B778, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF8L98, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$1,050.00
asimro (14 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF1082T, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$299.99
asimro (14 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF6744N, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$299.99
asimro (14 )

 

P/N: 23035102, Oil Filter Housing, S/N: 30383, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Oil Filter Housing in As Removed condition with an unserviceable tag included.See the description below for more details.

$427.00
asimro (14 )

 

P/N: 6851407, Governor, S/N: 1AAD70, Serviceable RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Governor in Serviceable condition with serviceable tag and maintenance release tag.See the description below for more de...

$6,500.00
dakotaairparts (4 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF8L98, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$299.99
asimro (14 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF0B778, As Removed, RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details.

$299.99
asimro (14 )

 

P/N: 6851354, 3 Cubic In. Accumulator, As Removed RR M250 ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 3 Cubic Inch Accumulator in As Removed condition.See the description below for more details. 

$462.85
dakotaairparts (4 )

 

P/N: 23077188, Fuel Nozzle Assembly, S/N: AG58752, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Nozzle Assembly in As Removed condition with Repairable tag.See the description below for more details. 

$864.95
dakotaairparts (4 )

 

P/N: 6892071, Oil Pressure Body Pump, S/N: 27603, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Pressure Body Pump in As Removed condition with a repairable tag.See the description below for more details. 

$451.65
dakotaairparts (4 )

 

P/N: 6853544, Scavenge Oil Pump Cover, S/N: 25538, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Scavenge Oil Pump Cover in As Removed condition.See the description below for more details. 

$375.59
dakotaairparts (4 )

 

P/N: 23056451, Fuel Filter Element, New RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter Element in New condition in original packaging.See the description below for more details. 

$320.62
dakotaairparts (4 )

 

P/N: 6853441, Oil Pressure Pump Body, S/N: 120436, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Pressure Pump Body with a repairable tag included.See the description below for more details. 

$451.65
dakotaairparts (4 )

 

P/N: 6892071, Oil Pressure Body Pump, S/N: LOT138, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Pressure Body Pump in As Removed condition with a repairable tag included.See the description below for more details....

$451.65
dakotaairparts (4 )

 

P/N: 23005205, Hose Assembly, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Hose Assembly in As Removed condition with a removal tag.See the description below for more details. 

$101.46
dakotaairparts (4 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 6895171, Check Valve Assembly, S/N: 90120631, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Check Valve Assembly in As Removed condition with Repairable tag.See the description below for more details. 

$200.00
dakotaairparts (4 )

 

P/N: 6842094, Flex Control Coupling Shaft, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Flex Control Coupling Shaft in As Removed condition, with repairable tag included.See the description below for more detai...

$193.44
dakotaairparts (4 )

 

P/N: 2537739, Sleeve Assembly Metering Valve, Serviceable Honeywell, ID: D11

Make us an offer, we're not shy! Dakota Air Parts is offering a Honeywell Sleeve Assembly Metering Valve in Serviceable condition with serviceable tag. See the descr...

$4,900.00
dakotaairparts (4 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

New OEM Approved Honeywell, Valve Control, P/N: 71259-1, S/N: 347, ID: CSM

Dakota Air Parts is offering an OEM Approved Honeywell Valve Control in New condition.  See the description below for more details. 

$160.00
dakotaairparts (4 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 6895171, Check Valve Assembly, S/N: 90110339, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Check Valve Assembly in As Removed condition with Repairable tag.See the description below for more details. 

$200.00
dakotaairparts (4 )

 

P/N: 23034927, Gas Producing Thermocouple, S/N: FF264789, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Gas Producing Thermocouple in As Removed condition with repairable tag included.See the description below for more detail...

$600.32
dakotaairparts (4 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 6876814, Gas Producing Thermocouple, S/N: FFQA283, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Gas Producing Thermocouple in As Removed condition with a repairable tag included. See the description below for more de...

$1,050.00
dakotaairparts (4 )

 

P/N: 6895093, Filter Lube Oil Housing Assembly, S/N: 37994, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Filter Lube Oil Housing Assembly in As Removed condition with a repairable tag included.See the description below for more...

$1,129.81
dakotaairparts (4 )

 

P/N: 763700-4, Regulator, S/N: UDA93514, As Removed, Hamilton Sundstrand, JFC78-4, T-700

Make us an offer, we're not shy! Dakota Air Parts is offering a Hamilton-Sundstrand Regulator in As Removed condition with Repairable Tag.

$4,500.00
dakotaairparts (4 )

 

P/N: 6899279, Fluid Filter Element, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fluid Filter Element in As Removed condition. See the description below for more details. 

$1,398.00
dakotaairparts (4 )

 

P/N: 23064781, Combined Engine Filter Assembly, S/N: 0053, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Combined Engine Filter Assembly in As Removed condition.See the description below for more details.

$4,820.00
asimro (14 )

 

P/N: 6899019, Anti-Icing Valve Assembly, S/N: AE11778, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Anti-Icing Valve Assembly in As Removed condition with Repairable tag.See the description below for more details. 

$60.80
dakotaairparts (4 )

 

New OEM Approved Honeywell, Fuel Meter Valve, P/N: 3482872-1 SN: 4940102, ID: CSM

Dakota Air Parts is offering an OEM Approved Honeywell Fuel Meter Valve in New condition. See the description below for more details. 

$160.00
dakotaairparts (4 )

 

P/N: 6876529, Fuel Control Gearshaft, S/N: 112481-273, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Control Gearshaft in As Removed Condition, with repairable tag included.See the description below for more details. 

$3,775.00
dakotaairparts (4 )

 

P/N: 6896810, Fuel Pump Assembly, S/N: T300113, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Fuel Pump Assembly in As Removed condition.See the description below for more details.

$4,800.00
asimro (14 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 2537952, Diaphragm Cover Assembly, Serviceable, Honeywell, ID: AZA

ASI is offering a Honeywell Diaphragm Cover Assembly in Serviceable condition with serviceable tag.See the description below for more details.

$3,320.00
asimro (14 )

 

P/N: 23003107, Gas Producer Control Assembly, S/N: 4AAC3562, As Removed, RR M250 (Chandler Evans PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Chandler Evans PMA) Gas Producer Control Assembly in As Removed condition, with Repairable tag included.See the descripti...

$1,000.00
dakotaairparts (4 )

 

P/N: 2537556, Fuel Control Reset Rod And Guide, Serviceable, Honeywell

Make us an offer, we're not shy! Dakota Air Parts is offering a Honeywell Reset Rod And Guide in Serviceable condition with serviceable tag. See the description belo...

$2,960.00
dakotaairparts (4 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF6432N, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition with a repairable tag included.See the description below for more details. 

$1,050.00
dakotaairparts (4 )

 

P/N: 6887761, Thermocouple Harness, S/N: FF0F635, As Removed RR M250, ID: AZA

ASI is offering a Rolls-Royce M250 Thermocouple Harness in As Removed condition, with repairable tag and copy of original service record included.See the description belo...

$1,050.00
asimro (14 )

 

P/N: 6870740, Oil Filter Inlet Tube, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Filter Inlet Tube in As Removed condition with removal tag. Details of tag may vary to include but not limited to tag ...

$200.00
dakotaairparts (4 )

 

P/N: 23003107, Gas Producer Control Assembly, S/N: 3AAC1705, As Removed, RR M250 (Chandler Evans PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Chandler Evans PMA) Gas Producer Control Assembly in As Removed condition, with Repairable tag included.See the descripti...

$1,000.00
dakotaairparts (4 )

 

New OEM Approved Honeywell, Valve Control, P/N: 71259-1, S/N: 351, ID: CSM

Dakota Air Parts is offering an OEM Approved Honeywell Valve Control in New condition.  See the description below for more details. 

$160.00
dakotaairparts (4 )

 

P/N: A3237, Drain Valve, As Removed, Honeywell (Tedeco PMA) ID: AZA

ASI is offering a Honeywell Drain Valve Tedeco PMA in As Removed condition with a Repairable Tag.See the description below for more details.

$100.00
asimro (14 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 6893656, Pump Body Assembly, S/N: 30398, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Pump Body Assembly in As Removed condition with a repairable tag.See the description below for more details. 

$348.66
dakotaairparts (4 )

 

P/N: 6891454, Main Turbine Fuel Control, S/N: 1AAC-300, Serviceable, RR M250 (Chandler Evans PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Chandler Evans PMA) Main Turbine Fuel Control in Serviceable condition, with Serviceable tag included.See the description...

$9,500.00
dakotaairparts (4 )

 

P/N: 6895173, Fuel Filter, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Filter in As Removed condition with a repairable tag included.See the description below for more details. 

$1,398.12
dakotaairparts (4 )

 

P/N: 23038956, Fuel Control, S/N: BR53566, As Removed, RR M250 (Allied Signal PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Allied Signal PMA) Fuel Control in As Removed condition, with Repairable tag included. See the description below for mor...

$1,300.00
dakotaairparts (4 )

 

P/N: 6853441, Oil Pressure Pump Body, S/N: 13141, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Pressure Pump Body in As Removed condition with a repairable tag included.See the description below for more details....

$451.65
dakotaairparts (4 )

 

New OEM Approved Honeywell, Valve Control, P/N: 71259-1, S/N: 354, ID: CSM

Dakota Air Parts is offering an OEM Approved Honeywell Valve Control in New condition.  See the description below for more details. 

$160.00
dakotaairparts (4 )

 

P/N: EA470-3587, Tank Unit, S/N: AL-3732, As Removed BH (Simmonds Precision PMA), ID: AZA

ASI is offering a Bell Helicopter Tank Unit (Simmonds Precision PMA) in As Removed condition, with a repairable tag included. See the description below for more details.

$1,000.00
asimro (14 )

 

P/N: 6896485, Magnetic Quick Plug, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Magnetic Quick Plug in As Removed condition.See the description below for more details. 

$137.50
dakotaairparts (4 )

 

P/N: 6899279, Fuel Filter Assembly, S/N: ATS11484, As Removed, RR M250 (Facet Enterprises PMA), ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 (Facet Enterprises PMA) Fuel Filter Assembly in As Removed condition, with Repairable tag included.See the description bel...

$1,398.00
dakotaairparts (4 )

 

P/N: 6898643, Magnetic Quick Plug Kit, New Surplus, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Magnetic Quick Plug Kit in New Surplus condition with original manufacturers packaging and id tag from International Air P...

$3,390.74
dakotaairparts (4 )

 

P/N: 6892071, Oil Pressure Body Pump, S/N: 16692, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Oil Pressure Body Pump in As Removed condition with a repairable tag included.See the description below for more details....

$451.65
dakotaairparts (4 )

 

P/N: 6840109, Fuel Control Bearing Retainer, New RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Control Bearing Retainer in New condition with ID tag included.See the description below for more details. 

$42.05
dakotaairparts (4 )

 

P/N: 6893077, Contact Thermocouple, S/N: FF2Y69, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Contact Thermocouple in As Removed condition, with Repairable tag included.See the description below for more details. 

$600.32
dakotaairparts (4 )

 

P/N: 6898643, Magnetic Quick Plug Kit, New Surplus, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Magnetic Quick Plug Kit in New Surplus condition with original manufacturers packaging and id tag from International Air P...

$3,390.74
dakotaairparts (4 )

 

P/N: 6859177, Fuel Pump to Control Tube, As Removed RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Fuel Pump to Control Tube in As Removed condition with an ID tag included.See the description below for more details. 

$150.00
dakotaairparts (4 )

 

P/N: 6893077, Contact Thermocouple, S/N: FF5R63, As Removed, RR M250, ID: D11

Dakota Air Parts is offering a Rolls-Royce M250 Contact Thermocouple in As Removed condition.See the description below for more details. 

$600.32
dakotaairparts (4 )

 

New OEM Approved Honeywell, Fuel Lube Pump (Parker PMA), P/N: PZG3AL225X3385, ID: CSM

Dakota Air Parts is offering an OEM Approved Honeywell Fuel Lube Pump (Parker PMA) in New condition. See the description below for more details. 

$2,560.00
dakotaairparts (4 )