Engines and Components› Oiling Systems

Mopar

Slant 6 Oil Pressure Relief Spring Set

$21.43

SKU: M02T P4286571

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

Moderate — 2–4 hours

Description

The Mopar P4286571 is an oil pump relief spring designed to increase engine oil pressure. This steel spring provides 70 psi of oil pressure and is compatible with Mopar Inline-6, B, RB-Series, and 426 Hemi engines.

Authentic Mopar Performance Parts are offered to improve performance and handling. This component is sold individually.

Fitment

Fitment Guaranteed

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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

BrandMopar
Part NumberM02T P4286571

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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