How to inspect, adjust, and replace drive belts and tensioners on Subaru Impreza?

Engine belts that deteriorate over time are positioned at the front of the engine and play a critical role in avoiding costly damage. The number of belts differs from one vehicle to another but usually drives alternator, power steering pump and air conditioning compressor. To check them, open the hood with the motor off and look for cracks, separation, fraying or glazing while noticing their vein; they should appear nice and even. The tension of a belt is determined through pressing it down in between two pulleys where it should drop about 1/4 inch. Setting up the tension requires loosening a lock bolt on an adjustment assembly as well as rotating a slide bolt then rechecking it before tightening both bolts again. In order to change one's old belt however, it has to be replaced by new one which must be marked after removing the former using adjusting method when marking belts and pulleys is done properly. While changing out an older AC compressor belt built 2008 or later on use a pry bar to relieve pressure. Replacing drive belts for earlier models built in 2007 or less comprise removal of belt cover; drive belt itself; tensioner bracket; tensioner bolt; put back everything together starting from reverse order.

Genuine Subaru Impreza Drive Belt

Serpentine Belt

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12 Drive Belts found

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Subaru Impreza Belt Set
Part Number: 11718AA082
$57.24 MSRP: $82.95
You Save: $25.71 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: AC Belt
- Replaces: 11718AA081, 11718AA080
- 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, STI, STI Special Edition, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza V Belt 21X4X1960
Part Number: 809221210
$31.91 MSRP: $46.25
You Save: $14.34 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: V Belt; Alternator Belt, Serpentine Belt
- Replaced by: 23780AA130
- 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 A/C Belt
Part Number: 73323AC000
$15.26 MSRP: $22.12
You Save: $6.86 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Belt-Compressor; AC Belt, Belt
- Replaces: 73323AC011, 73323AC010
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-2007 Subaru Impreza | 25i, Brighton, L, 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
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Subaru Impreza V Belt 21 X 4 X 2155
Part Number: 809221170
$37.34 MSRP: $54.12
You Save: $16.78 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: V Belt; Serpentine Belt
- Replaced by: 23780AA120
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2014 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza V Belt
Part Number: 809218430
$18.14 MSRP: $26.28
You Save: $8.14 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 809218450
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2011 Subaru Impreza | 2.5 GT, STI, STI Limited, WRX, WRX Sport, WRX TR, WRXSS | 2.5L H4 Turbo
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Subaru Impreza V Belt
Part Number: 23780AA08A
$28.46 MSRP: $41.25
You Save: $12.79 (32%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- 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 Belt Compressor
Part Number: 73323AC011
$15.26 MSRP: $22.12
You Save: $6.86 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Compressor
- Replaced by: 73323AC000
- 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
View related parts
Subaru Impreza A/C Belt
Part Number: 73323AC010
$15.26 MSRP: $22.12
You Save: $6.86 (32%)
ADD TO CART
Product Specifications
- Other Name: Belt-Compressor
- Replaced by: 73323AC000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-2005 Subaru Impreza | Brighton, L, Outback, RS, STI, TS, WRX | 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 A/C Belt
Part Number: 73013AA000
$12.20 MSRP: $16.95
You Save: $4.75 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Compressor; AC Belt, Belt
- Replaces: 73323FA000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1996 Subaru Impreza | Brighton, L, L+, LS, LX, Outback | 1.8L H4, 2.2L H4
View related parts
Subaru Impreza Belt Set
Part Number: 11718AA081
$57.24 MSRP: $82.95
You Save: $25.71 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 11718AA082
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2010 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, STI, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza V Belt
Part Number: 23780AA230
$36.58 MSRP: $53.02
You Save: $16.44 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2024-2025 Subaru Impreza | 4 Cyl 2.0L, 4 Cyl 2.5L
View related parts
Subaru Impreza A/C Belt
Part Number: 73323FA000
$12.20 MSRP: $16.95
You Save: $4.75 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Compressor
- Manufacturer Note: L=885 GATES R/USA
- Replaced by: 73013AA000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1994 Subaru Impreza | L, LS | 1.8L H4

Subaru Impreza Drive Belt

Subaru Impreza Drive Belts send power from the crankshaft to vital engine components to keep them spinning. The Drive Belt, which is wrapped around various pulleys in an infinite loop, turns the alternator, water pump, power steering unit, and A/C compressor whenever the engine runs, providing electrical, cooling, steering assist, and cabin comfort. The twin V-style belts applied by early generations of Impreza gripped well but could only drive a few parts individually. In other words, designers had to find multiple locations for pulleys. The later Subaru models introduced a single serpentine multi-groove Drive Belt that commands every component together. Thus, one belt drives everything. As a result, this design has trimmed weight, simplified tensioning, and cut slip. The Drive Belt is manufactured from a special reinforced rubber that has a temperature tolerance from minus thirty-five to eighty-five degrees Celsius. This simple component stands up to about 100,000 miles before its resistance gives. If fraying, glazing, or cracking is seen, it will change quickly, as failure to do so could harm the components as well as the very distinct Subaru boxer engine. Thanks to the high efficiency that exceeds ninety percent and its ability to cushion abrupt load variations, the Impreza Drive Belt makes for a smooth, quiet car with low running costs, so long as the worn Drive Belt is replaced promptly.

Our website stands as the go-to online destination for OEM Subaru Impreza Drive Belt. With complete lines of genuine Subaru Impreza Drive Belt 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 Drive Belt Parts Questions & Experts Answers

Belt Compressor
73323AC011
Q:
How to inspect, adjust, and replace drive belts and tensioners on Subaru Impreza?
Posted by Bret B.
A:
Engine belts that deteriorate over time are positioned at the front of the engine and play a critical role in avoiding costly damage. The number of belts differs from one vehicle to another but usually drives alternator, power steering pump and air conditioning compressor. To check them, open the hood with the motor off and look for cracks, separation, fraying or glazing while noticing their vein; they should appear nice and even. The tension of a belt is determined through pressing it down in between two pulleys where it should drop about 1/4 inch. Setting up the tension requires loosening a lock bolt on an adjustment assembly as well as rotating a slide bolt then rechecking it before tightening both bolts again. In order to change one's old belt however, it has to be replaced by new one which must be marked after removing the former using adjusting method when marking belts and pulleys is done properly. While changing out an older AC compressor belt built 2008 or later on use a pry bar to relieve pressure. Replacing drive belts for earlier models built in 2007 or less comprise removal of belt cover; drive belt itself; tensioner bracket; tensioner bolt; put back everything together starting from reverse order.
Answered by Subaru Parts Specialist Gary / Jun 27, 2025