Peterson Fluid Systems 09-0020 is a replacement square O-ring for Peterson oil filter block off plates 09-0001 through 09-0004. These are the Early Chevy 1 bolt mount and Chevy 2 bolt mount plates. The O-ring is rubber and is sold individually.
Notes:
- The Ford 302-460 plates (09-0010 and 09-0011) use O-ring 09-0021 instead.
Specifications:
- Brand: Peterson Fluid Systems
- Part Number: 09-0020
- Type: Replacement O-ring, square
- Fits: Peterson oil filter block off plates 09-0001, 09-0002, 09-0003, 09-0004
- Material: Rubber
- Sold As: Each
FAQ
Which block off plates use the Peterson Fluid Systems 09-0020 O-ring?
It fits Peterson oil filter block off plates 09-0001, 09-0002, 09-0003 and 09-0004.
Does the 09-0020 fit the Ford block off plates?
No. The Ford 302-460 plates, 09-0010 and 09-0011, use O-ring 09-0021.
What shape is the 09-0020 O-ring?
It is a square O-ring made of rubber.

