Description
Comparison points and tradeoffs
When comparing LS1/LS2/LS3/LS7 BILLET WATER PUMP TOP FITTING | -16AN LONG with other Water Pump Fittings & Accessories options, use this source-backed detail as the primary discriminator: NOTE: will only fit most Genuine GM water pumps and may be too loose for some aftermarket water pumps.
Use this second fact to evaluate the tradeoff: This is a long neck style press-in fitting with a base size of 1.299″ and -16AN outlet. A third point to compare across alternatives is: Application note: This is a long neck style press-in fitting with a base size of 1.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
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.




Reviews
There are no reviews yet.