2023 Jeep Wrangler Serpentine Belt Routing & Replacement Guide

Quick Answer

For the 2023 Jeep Wrangler, the serpentine belt and related components can vary depending on the engine. Please verify your specific engine before purchasing parts.

3.6L Pentastar V6 Engine:

• Belt Length: TBD (Typically around 85-88 inches for a 6-rib belt)
• Rib Count: 6-rib
• OEM Belt PN: Mopar 68257041AA (Always verify with your VIN)
• Aftermarket Cross-references:
  • Gates K060875 (Verify for your specific application)
  • Dayco 5060875 (Verify for your specific application)
  • Continental Elite 4060875 (Verify for your specific application)
• Auto-Tensioner PN: Mopar 04627038AB (Verify for your specific application)
• Idler Pulley PN: Mopar 05184294AE (Verify for your specific application)

2.0L Turbo Engine:

• Belt Length: TBD (Typically shorter than the V6 belt)
• Rib Count: 6-rib
• OEM Belt PN: Mopar 04892837AC (Always verify with your VIN)
• Aftermarket Cross-references:
  • Gates K060590 (Verify for your specific application)
  • Dayco 5060590 (Verify for your specific application)
  • Continental Elite 4060590 (Verify for your specific application)
• Auto-Tensioner PN: Mopar 04893739AA (Verify for your specific application)
• Idler Pulley PN: Mopar 04893741AA (Verify for your specific application)

Belt Routing

The serpentine belt on your 2023 Jeep Wrangler winds its way around several crucial components to power them. Before you attempt to remove or replace the belt, it is highly recommended to take a clear photograph of the current belt routing. This will serve as an invaluable guide during reinstallation.

For 3.6L Pentastar V6 Engine (Typical Routing - Always Verify):

Starting from the crankshaft pulley (the largest pulley at the bottom, usually ribbed):

1. From the crankshaft pulley, the belt typically goes up to the A/C compressor pulley.
2. From the A/C compressor, it then routes over an idler pulley (a smooth pulley that guides the belt).
3. After the idler, the belt often goes to the alternator pulley.
4. From the alternator, it might then route to the power steering pump pulley.
5. Next, the belt wraps around the water pump pulley.
6. Finally, the belt goes to the automatic tensioner pulley (a pulley that maintains constant tension on the belt), which is usually spring-loaded. The belt then returns to the crankshaft pulley.

For 2.0L Turbo Engine (Typical Routing - Always Verify):

Routing for the 2.0L Turbo engine will also start at the crankshaft pulley. The sequence of accessories might differ slightly due to engine layout. As with the V6, always take a photo before removal.

1. From the crankshaft pulley, the belt will typically route to the A/C compressor pulley.
2. From the A/C compressor, it will often go around an idler pulley.
3. The belt then typically goes to the alternator pulley.
4. Depending on the specific layout, it might then route to the water pump pulley.
5. Finally, the belt engages with the automatic tensioner pulley before returning to the crankshaft pulley.

How to Replace the Serpentine Belt

Replacing the serpentine belt on your 2023 Jeep Wrangler is a manageable DIY task for those with some mechanical experience. You will need a serpentine belt tool or a 3/8" drive breaker bar.

1. Safety First: Ensure the engine is off and cool. Disconnect the negative terminal of the battery for added safety.
2. Locate the Tensioner: Identify the automatic belt tensioner. It will have a 3/8" or 1/2" square hole or a bolt head compatible with a wrench.
3. Relieve Tension: Insert your serpentine belt tool or breaker bar into the tensioner