Engines and Components› Camshafts and Valvetrain

SEALED POWER

VALVE SPRING

$22.95

SKU: S03T FP-4936079

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

Easy — 1–2 hours

Description

The Sealed Power valve spring is a component for the sealing system of Cummins engines. It is designed for QSL9, 6LTAA8.9, ISL9, and L8.9 engine models. This valve spring is also listed under cross-reference numbers 4931931, 3999907, and 5292627.

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

BrandSEALED POWER
Part NumberS03T FP-4936079

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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