Gaskets and Seals Engine Gaskets and Seals

KEYSTONECHEM

FREEZE PROOF RV AF -100

$106.34

SKU: K03P 131425

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Special Order
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Non-Returnable Item

Description

The PAI Industries 131425 is an upper gasket kit designed for Cummins 743 Series engines. This kit is also known by its OEM reference numbers: Cummins BM50745, BM21966, BM28254, BM79542, and 3802077.

This premium aftermarket product is manufactured by an ISO9001 certified facility with a strong focus on U.S.A. manufacturing. PAI Industries has been producing truck parts in the U.S.A. since 1973 and backs this gasket kit with a 2-year unlimited mileage warranty. The product is identified as Genuine PAI®, their most recognized and popular brand worldwide.

Fitment

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

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Specifications

BrandKEYSTONECHEM
Part NumberK03P 131425

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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