Engines and Components Pistons and Piston Rings

SEALED POWER

O RING

$19.68

SKU: S03T FP-2S2251

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sealed Power FP-2S2251 is a nozzle adapter seal ring designed for Caterpillar 3406, 3406B, and 3406C engines. This part features a 55mm size and is manufactured to OEM specifications.

This seal ring is manufactured in a state-of-the-art facility using advanced machining and measuring equipment to ensure quality. It is offered at a competitive price and comes with a 2-year parts and labor warranty.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSEALED POWER
Part NumberS03T FP-2S2251

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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