The Tuff Stuff 1635E is a mechanical water pump for small block Chevy engines. It uses a short design in cast aluminum with a natural finish and is built as an economy option sold individually.
- Type: mechanical water pump
- Design: short
- Application: small block Chevy
- Material: aluminum
- Finish: natural
- Series: economy
- Sold as: each
- Part number: 1635E
FAQ
What engine does the 1635E water pump fit?
It is designed for small block Chevy engines.
Is the 1635E a short or long water pump?
It uses a short design.
What material and finish does this pump have?
The pump is cast aluminum with a natural finish.

