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Racor ParFit Fuel Filter Head Assembly
The Racor PFF4245R2-02 ParFit Fuel Filter Head Assembly is a direct replacement for your 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM. Over time, the seals in the factory filter head are known to leak causing issues such as hard starting, air leaks, and priming issues. Replacing the entire assembly elimi...
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