


Straight -20AN Thermostat Housing For LS Gen 4 / 5 Water Pump
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Straight -20AN Thermostat Housing For LS Gen 4 / 5 Water PumpStraight 20AN Thermostat Housing For LS Gen 4 & LT Water Pump Compatible with: Gen 4 LS engines (RPO Codes: LS2, LH6, LS7, L92, L76, LY2, LY5, LY6, LC9, LFA, LH8, LMG, LS3, L98, LSA, L9H, LS9, L20, L94, LZ1, L99, L96, LC8, L77) 2007+, LT gen 5 This thermostat housing converts water pump inlet to a 20AN male fitting for more durable, high pressure hoses Thermostat housing directs hose straight away from engine, to clear frame rails and suspension
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Your Straight -20AN Thermostat Housing For LS Gen 4 / 5 Water Pump orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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Reviewed in the United States on March 5, 2026
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