2023 Outback Belts – OEM Serpentine & Accessory Belts for Reliable Performance

Keep Your Subaru’s Essentials Powered

The belts in your 2023 Subaru Outback are responsible for powering essential engine components—including the alternator, power steering pump, air conditioning compressor, and water pump. Over time, these belts wear out, leading to squealing, slipping, or even complete failure.

These OEM-quality serpentine and accessory belts are precision-engineered for exact fitment on both 2.5L and 2.4L turbocharged XT engines. Whether you’re replacing a noisy belt or performing routine maintenance, these belts deliver quiet operation and dependable performance.

23774AA131 - : Accessory Drive Belt Cover for Subaru Image

Accessory Drive Belt Cover

Subaru 23774AA131
2.5L. 2.0L.
$39.47
MSRP $56.72
Save $17.25
30.4% Off
13142AA240 - : Engine Timing Chain Tensioner for Subaru Image

Engine Timing Chain Tensioner

Subaru 13142AA240
2.5L. Legacy, Outback. Left. Forester. Ascent. Adjuster. Crosstrek.
$67.07
MSRP $96.36
Save $29.29
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
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
13142AA230 - : Engine Timing Chain Tensioner for Subaru Image

Engine Timing Chain Tensioner

Subaru 13142AA230
2.5L. Legacy, Outback. Right. Forester. Ascent. WRX. Crosstrek. Adjuster. BRZ. Impreza.
$72.89
MSRP $104.73
Save $31.84
30.4% Off
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
24.6% Off
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
13144AA46A - : Guide for Subaru Image

Guide

Subaru 13144AA46A
2.5L. Crosstrek. Right. Upper. Forester. Left. Lower.
$9.72
MSRP $13.97
Save $4.25
30.4% Off
13144AA300 - : Guide for Subaru Image

Guide

Subaru 13144AA300
Ascent. Inner. Legacy, Outback. Right. WRX. Upper. BRZ. Slack side.
$27.83
MSRP $39.98
Save $12.15
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
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
13144AA290 - : Guide for Subaru Image

Guide

Subaru 13144AA290
Legacy, Outback. Ascent. Left. Outer. Crosstrek. Side. Forester. Impreza.
$9.51
MSRP $13.67
Save $4.16
30.4% Off

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Why Choose OEM Belts?

OEM Fitment – Matches the original length, rib pattern, and routing design. 

Prevents Failures – Avoids accessory drive loss, engine overheating, and charging issues. 

Durable Construction – Made from high-strength, heat-resistant rubber compounds. 

Efficient Operation – Runs quietly and reliably under all conditions. 

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

Compatible Subaru Outback Models

Fits 2023 Subaru Outback with both 2.5L naturally aspirated and 2.4L turbocharged (XT) engines, including Base, Premium, Limited, Touring, Onyx Edition XT, Wilderness, and Touring XT trims.

How to Replace Belts on a 2023 Outback

Tools Required: 

✔ Serpentine belt tool or breaker bar 

✔ Socket and ratchet set 

✔ Flashlight or work light 

✔ Gloves 

✔ New OEM belt

Installation Steps:

  1. Check the Belt Routing Diagram under the hood or in your service manual.

  2. Use the Belt Tensioner Tool to relieve tension.

  3. Remove the Old Belt, checking for cracks, fraying, or glazing.

  4. Install the New Belt, carefully routing it around each pulley.

  5. Reapply Tension and ensure the belt is fully seated.

  6. Start the Engine and listen for quiet, smooth belt operation.

Pro Tip: Inspect and, if needed, replace the belt tensioner and idler pulleys during installation to ensure long-term reliability.

Signs You Need a New Belt

🚙 Squealing or chirping noises during acceleration or startup 

🚙 Cracked or shiny belt surface 

🚙 Power steering, A/C, or battery charging issues 

🚙 Engine overheating (water pump not turning) 

🚙 Dashboard warning lights (battery or coolant temp)

Belt Options for Your 2023 Outback

🔹 OEM Serpentine Belts – Designed for quiet, reliable operation with factory-spec fit 

🔹 Performance Belts – Reinforced for high-load or high-RPM applications 

🔹 Accessory Belts – Separate belt options for specific trims or engine layouts

Popular Related Parts for 2023 Outback

🔹 2023 Outback Belt Tensioners – Maintain correct belt tension and reduce wear 

🔹 2023 Outback Idler Pulleys – Keep belts running smoothly and aligned 

🔹 2023 Outback Alternators – Maintain consistent charging for the battery and electronics 

🔹 2023 Outback Water Pumps – Keep engine temps stable under all conditions

Get Your 2023 Outback Belts Today

Don’t wait until your belt fails—replace it with an OEM-fit component that keeps your Outback’s critical systems running smoothly. 

🛒 Upgrade Your Ride 🚙 – Shop Now!

FAQs About 2023 Outback Belts

❓ How long do belts last on a 2023 Subaru Outback? Typically 60,000 to 100,000 miles, depending on driving conditions and usage.

❓ What happens if a belt fails while driving? You could lose power steering, charging, engine cooling, and A/C function.

❓ Can I replace the belt myself? Yes—it’s a straightforward DIY job with basic tools and a belt routing diagram.

❓ Should I replace the tensioner with the belt? Yes—a worn tensioner can cause premature belt failure and noise.

❓ Are aftermarket belts okay to use? OEM belts ensure exact fitment, quieter operation, and longer life—especially on Subaru engines.