How to remove and inspect an oil pump assembly on Subaru Impreza?

The first step in taking out an engine is raising the front of the vehicle and using jackstands to secure it. The oil filter must be removed before draining the engine oil. Next remove timing belt, tensioner, crankshaft sprocket, upper timing belt idler pulley, idler pulley number 1 and idler sprocket number 2. On turbocharged models drain coolant, remove radiator and take off cooling pipes from oil cooler at front of engine. Also don't forget to remove the water pump and Crankshaft Position (CKP) sensor. Remove mounting bolts and oil pump while making sure a drain pan is placed beneath for spilt oil. For inspection purposes there are screws that hold down the pump cover; so remove them, apply alignment marks on inner/outer rotors and withdraw them from pump housing. Meanwhile clean up everything including: rotors, pump housing, relief valve and spring because they all might have been damaged at one point or another. If any parts show damage replace the oil pump assembly. Measure rotor tip clearance, outer rotor-to-oil pump housing clearance, rotor-to-cover clearance also if not within limit then replace with a new oil pump assembly but if ok reinstall cover on top of it tightening screws fastener.For installation purposes ensure that relief valve and rotors are lubricated with clean engine oil plus matchmarks which were made earlier are lined up together as well put back new crankshaft oil seal as well as an old O-ring between engine block which has a bearing housing too belonging to this particular type of fitting; but more specifically anaerobic sealant will be applied here so that it can be installed again on top even into its place (engine block). Fix remaining installation steps backwards by refilling fresh lubricants in motor plus brand new filters (oil only) besides refilling liquid cooled systems found those turbo models once more before starting said machine thus checking correct oil pressure as well as looking for any leaks of oil.

Genuine Subaru Impreza Oil Pump

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34 Oil Pumps found

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Subaru Impreza Pump Assembly Oil Eg
Part Number: 15010AA320
$178.13 MSRP: $260.42
You Save: $82.29 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Pump Assembly-Engine; Oil Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Oil Pump Assembly Engine
Part Number: 15010AA300
$177.56 MSRP: $259.58
You Save: $82.02 (32%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Engine; Oil Pump, Oil Pump Assembly
- Replaces: 15010AA106, 15010AA105, 15010AA103, 15010AA104, 15010AA109, 15010AA108, 15010AA280, 15010AA107
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2007 Subaru Impreza | 25i, Outback, Outback Sport, STI, STI Limited, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
- 1998 Subaru Impreza | RS | 2.5L H4 DOHC
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Subaru Impreza Oil Pump Assembly Engine
Part Number: 15010AA360
$208.92 MSRP: $305.43
You Save: $96.51 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Engine; Oil Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza PT010200 Oil Pump Assembly
Part Number: 15010AA108
$177.56 MSRP: $259.58
You Save: $82.02 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Engine
- Replaced by: 15010AA300
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2005 Subaru Impreza | STI, WRX | 2.0L H4 Turbo, 2.5L H4 Turbo
- 1998 Subaru Impreza | RS | 2.5L H4 DOHC
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Subaru Impreza Oil Pump Assembly Engine
Part Number: 15010AA260
$172.66 MSRP: $252.43
You Save: $79.77 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Pump Assembly-Engine
- Replaced by: 15010AA290
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2004 Subaru Impreza | Outback, RS, TS | 2.5L H4
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Subaru Impreza Oil Pump Assembly Engine
Part Number: 15010AA280
$177.56 MSRP: $259.58
You Save: $82.02 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Engine
- Replaced by: 15010AA300
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2006 Subaru Impreza | 25i, Outback, STI, WRX | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Rotor Oil Pump In
Part Number: 15015AA330
$19.15 MSRP: $27.75
You Save: $8.60 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rotor-Oil Pump,Inner; Rotor
- Position: Inner
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Oil Pump Assembly
Part Number: 15010AA095
$172.66 MSRP: $252.43
You Save: $79.77 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Pump Assembly-Engine
- Replaced by: 15010AA234
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1997 Subaru Impreza | Base, Brighton, L, L+, LE, LS, LX, Outback | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO)
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Subaru Impreza Oil Pump Assembly Engine
Part Number: 15010AA261
$172.66 MSRP: $252.43
You Save: $79.77 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Engine
- Replaced by: 15010AA290
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005 Subaru Impreza | Outback, RS | 2.5L H4
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Subaru Impreza Rotor Oil Pump Out
Part Number: 15016AA330
$20.73 MSRP: $30.05
You Save: $9.32 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rotor-Oil Pump,Outer; Rotor
- Position: Outer
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Oil Pump Assembly Transmission
Part Number: 31340AA791
$315.31 MSRP: $460.98
You Save: $145.67 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Transmission
- Replaces: 31340AA790
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Rotor Oil Pump Inner
Part Number: 15015AA320
$18.10 MSRP: $26.23
You Save: $8.13 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rotor-Oil Pump,Inner; Rotor
- Position: Inner
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Rotor Oil Pump Out
Part Number: 15016AA320
$19.92 MSRP: $28.87
You Save: $8.95 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rotor-Oil Pump,Outer; Rotor
- Position: Outer
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza Oil Pump Assembly Transmission
Part Number: 31340AA820
$327.07 MSRP: $478.17
You Save: $151.10 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Pump Assembly-Transmission
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2021 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Oil Pump Rotor
Part Number: 15016AA090
Product Specifications
- Other Name: Rotor-Oil Pump,Outer; Outer Rotor, Rotor
- Position: Outer
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2007 Subaru Impreza | 25i, Outback, Outback Sport, STI, STI Limited, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
- 1998 Subaru Impreza | RS | 2.5L H4 DOHC
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Subaru Impreza Cover Oil Pump Engine
Part Number: 15034AA080
Product Specifications
- Other Name: Cover-Oil Pump,Engine
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza Rotor Oil Pump In
Part Number: 15015AA240
Product Specifications
- Other Name: Rotor-Oil Pump,Inner; Rotor
- Position: Inner
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2005 Subaru Impreza | Outback, RS, TS | 2.5L H4
View related parts
Subaru Impreza Oil Pump Cover
Part Number: 15034AA002
Product Specifications
- Other Name: Cover-Oil Pump,Engine
- Replaces: 15034AA001, 15034AA004, 15034AA003
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-2007 Subaru Impreza | 25i, Base, Brighton, L, L+, LE, LS, LX, Outback, Outback Sport, RS, STI, STI Limited, TS, WRX, WRX TR | 1.8L H4, 2.0L H4 Turbo, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 2.5L H4 Turbo
View related parts
Subaru Impreza Cover Oil Pump Engine
Part Number: 15034AA003
Product Specifications
- Other Name: Cover-Oil Pump,Engine
- Replaced by: 15034AA002
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2005 Subaru Impreza | Outback, RS, TS | 2.5L H4
View related parts
Subaru Impreza Cover Oil Pump Engine
Part Number: 15034AA004
Product Specifications
- Other Name: Cover-Oil Pump,Engine
- Replaced by: 15034AA002
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2007 Subaru Impreza | 25i, Outback, Outback Sport, RS, STI, STI Limited, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo

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Subaru Impreza Oil Pump

Our website stands as the go-to online destination for OEM Subaru Impreza Oil Pump. With complete lines of genuine Subaru Impreza Oil Pump available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Impreza Oil Pump Parts Questions & Experts Answers

Rotor Oil Pump In
15015AA330
Q: How to remove and inspect an oil pump assembly on Subaru Impreza?
A: The first step in taking out an engine is raising the front of the vehicle and using jackstands to secure it. The oil filter must be removed before draining the engine oil. Next remove Timing Belt, tensioner, crankshaft sprocket, upper timing belt idler pulley, idler pulley number 1 and idler sprocket number 2. On turbocharged models drain coolant, remove radiator and take off cooling pipes from oil cooler at front of engine. Also don't forget to remove the water pump and Crankshaft Position (CKP) sensor. Remove mounting bolts and oil pump while making sure a drain pan is placed beneath for spilt oil. For inspection purposes there are screws that hold down the pump cover; so remove them, apply alignment marks on inner/outer rotors and withdraw them from pump housing. Meanwhile clean up everything including: rotors, pump housing, relief valve and spring because they all might have been damaged at one point or another. If any parts show damage replace the oil pump assembly. Measure rotor tip clearance, outer rotor-to-oil pump housing clearance, rotor-to-cover clearance also if not within limit then replace with a new oil pump assembly but if ok reinstall cover on top of it tightening screws fastener.For installation purposes ensure that relief valve and rotors are lubricated with clean engine oil plus matchmarks which were made earlier are lined up together as well put back new crankshaft oil seal as well as an old O-ring between engine block which has a bearing housing too belonging to this particular type of fitting; but more specifically anaerobic sealant will be applied here so that it can be installed again on top even into its place (engine block). Fix remaining installation steps backwards by refilling fresh lubricants in motor plus brand new filters (oil only) besides refilling liquid cooled systems found those turbo models once more before starting said machine thus checking correct oil pressure as well as looking for any leaks of oil.