Engines and Components› Engine Bearings

SEALED POWER

BACK UP RING

$16.22

SKU: S03T FP-2J3961

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In Stock
Ships by Jun 18
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Sealed Power FP-2J3961 is a back-up ring for Caterpillar engines. This ring is designed to be used with fuel injectors and is made from urethane rubber with a 90 durometer. It has an inner diameter of 113.79 mm and an outer diameter of 119.59 mm, with a radial height of 2.9 mm.

Fitment

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Specifications

BrandSEALED POWER
Part NumberS03T FP-2J3961

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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