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STP Engine Stop Leak 300ml

STP Engine Stop Leak 300ml

by Halfords

£6.99

STP® Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by the heat of normal engine operation, which can otherwise result in oil leaks and expensive mechanical work. This specialised engine oil stop leak formula will also increase the protection offered

GTIN05020144500834

EAN5020144500834

MPNE302006100

Prices updated 29 Jun 2026

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Product Description

STP® Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by the heat of normal engine operation, which can otherwise result in oil leaks and expensive mechanical work. This specialised engine oil stop leak formula will also increase the protection offered by the existing engine oil.

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