What is the purpose of a pinion crush spacer?

A pinion crush spacer, or crush sleeve, is used in the front differential to set the correct bearing preload. Tightening the pinion nut crushes the spacer, creating the necessary resistance for the pinion bearings to spin properly without excessive play.

What differential models does this spacer fit?

This Omix pinion crush spacer is specifically designed for Dana 30 and Dana 44 model front differentials.

Does this part come with the pinion nut?

This product is for the collapsible pinion spacer (crush sleeve) only. The pinion nut is sold separately and is required for installation.

Specifications

Brand: OMIX
Part #: 16512.65
UPC: 804314134105

OMIX

Omix Pinion Crush Spacer 02-18 Jeep Liberty & Wrangler

Name: Omix Pinion Crush Spacer 02-18 Jeep Liberty & Wrangler
Brand: OMIX
SKU: omix-omix-pinion-crush-spacer-02-18-jeep-liberty-wrangler-t14-439229
Price: 14.96 USD
Availability: BackOrder

$14.96

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2002-2015 Jeep Wrangler. Omix Pinion Crush Spacer is a direct-fit replacement for your differential's crush sleeve.

Key Features

Fits 2002-2015 Jeep Wrangler and 2002-2012 Jeep Liberty.
Direct fit OE-style replacement collapsible pinion spacer (crush sleeve).
Designed for Dana 30 and Dana 44 front differentials.
Made from solid steel for durability.
Replaces OE part number 5066047AA.
Backed by a limited 5-year warranty from Omix.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

No-fit, no charge. Wrong part? Send it back, free return label.

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About this part

Product Details

This Omix collapsible pinion spacer, also known as a crush sleeve, is made from solid steel, just like the original equipment part. It's a critical component for setting the correct preload on your front differential's pinion bearing. When you're rebuilding or servicing the front differential on your 2007-2018 Jeep Wrangler JK or JKU, or your 2002-2012 Jeep Liberty KJ or KK, getting this spacer right is key to a long-lasting setup.

The Dana 30 and Dana 44 front differentials in these Jeeps rely on this spacer to maintain the precise bearing load. Tightening the pinion nut crushes this spacer, creating the exact amount of resistance needed for the bearings to spin freely without excessive play. Omix offers this part as a direct OE-style replacement, meaning it's built to the same specifications as the original, ensuring it fits right and performs as expected.

Because this is a single-piece component, it's important to ensure you have the correct part number for your specific differential model. This spacer is designed to work with the Dana 30 and Dana 44 front axles found in many Jeep Liberty and Wrangler models. If you're doing a front differential service, this is a necessary part to get the job done correctly.