2021 Subaru Impreza Belts – OEM Drive Belts for Dependable Power Transfer

Impreza Belts 2021 – Keep Your Engine Running Smoothly with OEM Precision

Your 2021 Subaru Impreza depends on high-quality engine belts to operate vital systems like the alternator, A/C compressor, power steering, and water pump. If you’ve noticed squealing noises, slipping, or visible belt wear, it’s time to replace your drive belt before it fails.

OEM belts are designed specifically for Subaru’s engine layout and accessory configuration. They offer an exact fit and the correct tension profile to prevent noise, slippage, and premature wear. Unlike lower-grade aftermarket belts, OEM options maintain their strength and integrity even under extreme temperatures and daily driving demands.

Protect your engine’s performance and accessories with belts you can trust.

64715AE02AJC - : Seat Belt Guide for Subaru Image

Seat Belt Guide

Subaru 64715AE02AJC
Sedan, off black. Legacy, off black.
$18.00
MSRP $25.87
Save $7.87
30.4% Off
808208880 - : Belt Tensioner Bolt for Subaru Image

Belt Tensioner Bolt

Subaru 808208880
2.5L. 2.4L turbo. 2.0L. All Required. Without hybrid.
$1.32
MSRP $1.90
Save $0.58
30.5% Off
47406120 - : Seat Belt Assembly Screw for Subaru Image

Seat Belt Assembly Screw

Subaru 047406120
$0.92
MSRP $1.58
Save $0.66
41.8% Off
13142AA090 - : Engine Timing Chain Tensioner for Subaru Image

Engine Timing Chain Tensioner

Subaru 13142AA090
Engine Timing Chain Tensioner - Subaru (13142AA090) Maintain precise engine timing and long-term reliability with the Genuine...
$77.01
MSRP $110.65
Save $33.64
30.4% Off
13142AA200 - : Engine Timing Chain Tensioner for Subaru Image

Engine Timing Chain Tensioner

Subaru 13142AA200
Impreza. Left. 2.5L. Legacy, Outback. Adjuster. XV Crosstrek. From 04/01/2015.
$72.89
MSRP $104.73
Save $31.84
30.4% Off
SOA342L162 - : Key Chain - Subaru Logo for Subaru Image

Key Chain - Subaru Logo

Subaru SOA342L162
Made from 1/8in. thick 304 stainless steel, with a brushed finish and permanent black laser etched graphics. Made from 1/8in 304...
$11.28
MSRP $14.95
Save $3.67
24.5% Off
SOA342L159 - : Key Chain - STI Logo for Subaru Image

Key Chain - STI Logo

Subaru SOA342L159
Made from 1/8 thick 304 stainless steel- with a brushed finish and permanent black laser etched graphics. Made from 1/8-inch thick 304...
$15.05
MSRP $19.95
Save $4.90
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SOA342L155 - : Key Chain - Carbon Fiber - Subaru Logo for Subaru Image

Key Chain - Carbon Fiber - Subaru Logo

Subaru SOA342L155
Carbon fiber composite and stainless steel key fobs with leather strap and universal split ring. Carbon fiber composite and stainless...
$22.59
MSRP $29.95
Save $7.36
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SOA342L156 - : Key Chain - Carbon Fiber - Sti Logo for Subaru Image

Key Chain - Carbon Fiber - Sti Logo

Subaru SOA342L156
Carbon fiber composite and stainless steel key fobs with leather strap and universal split ring. Carbon Fiber composite and stainless...
$30.13
MSRP $39.95
Save $9.82
24.6% Off
23769AA13A - : Tensioner for Subaru Image

Tensioner

Subaru 23769AA13A
Legacy, Outback. 2.4L turbo. Ascent. Impreza. Crosstrek. 2.5l.
$110.20
MSRP $158.33
Save $48.13
30.4% Off
13144AA43A - : Guide for Subaru Image

Guide

Subaru 13144AA43A
Ascent. Inner. Impreza. Left. 2.5L. Legacy, Outback. From 08/10/2016.
$9.02
MSRP $12.97
Save $3.95
30.5% Off
64728FG011JC - : Upper Quarter Trim Holder for Subaru Image

Upper Quarter Trim Holder

Subaru 64728FG011JC
Left side trim. Right side trim. Wagon, black. Station wagon, gray. Rh only.
$4.77
MSRP $6.85
Save $2.08
30.4% Off

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Why Choose OEM Belts? 

OEM Fitment – Designed for factory specifications to ensure precise performance. 

Prevents Failures – Maintains optimal operation and longevity. 

Durable Construction – Made from high-quality, corrosion-resistant materials. 

Efficient Operation – Ensures proper function and system protection. 

Easy Installation – Direct bolt-on replacement with no modifications required.

Compatible Subaru Impreza Trims These OEM belts are compatible with:

  • Impreza Base

  • Impreza Premium

  • Impreza Sport

  • Impreza Limited

  • 2.0i AWD sedan and hatchback models

Most trims utilize a serpentine belt that powers multiple engine accessories. Always verify fitment using your VIN or OE part number, especially if your vehicle has special equipment or packages.

Signs Your 2021 Impreza Needs a New Belt 

🔧 High-pitched squeal during cold starts or acceleration 

🔧 Visible cracking, fraying, or glazing on the belt surface 

🔧 Loss of power steering, A/C, or charging system performance 

🔧 Battery warning light due to alternator slippage 

🔧 Engine overheating if water pump is belt-driven

A worn or failing belt can cause accessory systems to stop working—or worse, leave you stranded. Replacing it early ensures consistent operation and peace of mind.

How to Replace Belts on a 2021 Impreza This is a moderately simple task for experienced DIYers or a quick service for most repair shops.

Tools Needed: 

✔ Socket and ratchet set 

✔ Belt tensioner tool or breaker bar 

✔ Belt routing diagram (usually under the hood or in the owner’s manual) 

✔ Flashlight for visibility in tight spaces

Steps Overview:

  1. Relieve tension using the belt tensioner tool.

  2. Slip the old belt off the pulleys and remove it.

  3. Match the new OEM belt to confirm size and rib pattern.

  4. Route the new belt properly and reapply tension.

  5. Start the engine and inspect belt operation for noise or misalignment.

Popular Related Parts for 2021 Subaru Impreza 

🔧 2021 Impreza Belt Tensioner – Maintains correct belt tension to prevent slippage 

🔧 2021 Impreza Idler Pulley – Replace if noisy or wobbling. 

🔧 2021 Impreza Water Pump – Inspect when belt drives the coolant system 

🔧 2021 Impreza Alternator – Confirm proper charging if belt noise is present 

🔧 2021 Impreza Power Steering Pump – Check for performance loss if belt-driven

Order OEM 2021 Impreza Belts Today! For quiet, efficient power transfer and long-term reliability, choose OEM belts made specifically for your Impreza. Avoid failure—and stay running smoothly mile after mile.

🛒 Drive Confident – Shop OEM Belts Now

FAQs About 2021 Subaru Impreza Belts

When should I replace my engine belt? Typically every 100,000 km, or sooner if signs of wear or noise appear.

What happens if the belt fails while driving? You may lose key functions like alternator charging, power steering, or engine cooling—leading to potential breakdown.

Are OEM belts better than aftermarket? Yes. OEM belts match the exact specs for fit, tension, and durability—reducing the risk of slippage or early failure.

Can I replace the belt myself? Yes, with the right tools and diagram. If unsure, a professional technician can complete the job quickly.

Should I replace the tensioner with the belt? If it's noisy, hard to move, or failing to maintain tension, it's wise to replace both at once.