Description
Practical value and everyday use
LS1/LS2/LS3/LS7 BILLET WATER PUMP TOP FITTING | -16AN LONG is listed in Water Pump Fittings & Accessories. For a practical buying decision, start with this source-backed point: Category: Replacement Parts / Engine Cooling & Climate Control / Water Pump Fittings & Accessories.
The source also records: CNC billet aluminum construction. Use this additional stated detail to judge day-to-day usefulness and package value: Machined finish.
Value-focused decision
Compare those stated features and included items with the current on-page offer and the exact quantity needed. No performance claim is added beyond the source product record.
Complete source-backed product details
Billet water pump top fitting for most GM LS1, LS2, LS3 LS6, and LS7 water pumps. This is a long neck style press-in fitting with a base size of 1.299″ and -16AN outlet. To install simply pull out the factory 1.25″ barbed outlet fitting and press or weld this fitting in place. This fitting is machined here in the USA from a solid piece of 6061-T6 aircraft grade billet aluminum. NOTE: will only fit most Genuine GM water pumps and may be too loose for some aftermarket water pumps. Please verify your original fittings size before placing your order.
Source product highlights
About this item
- Fits most GM LS1, LS2, LS3 LS6, and LS7 water pumps.
- This is a long neck style press-in fitting with a base size of 1.299″ and -16AN outlet.
- CNC billet aluminum construction.
- Machined finish.
- Made in the USA.
- NOTE: will only fit most Genuine GM water pumps and may be too loose for some aftermarket water pumps. Please verify your original fittings size before placing your order.




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