Description:
Derale extruded aluminum fan spacers are available in a variety of sizes and come with a clear anodized finish. Mounting hardware included. Refer to the table below for choosing the correct fan spacer.
| Clear Part # |
Length |
Male
Pilot Dia. |
Female
Pilot Dia. |
Bolts |
| DER-31500 |
1/2" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31510 |
1" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31515 |
1 1/2" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31518 |
1 3/4" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31520 |
2" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31521 |
2" |
5/8" |
5/8" |
8mm x 1.25 |
| DER-31531 |
2" |
5/8" |
3/4" |
8mm x 1.25 |
| DER-31530 |
2" |
5/8" |
3/4" |
5/16 - 18/24* |
| DER-31540 |
2 1/4" |
5/8" |
5/8" |
5/16 - 18/24* |
| DER-31541 |
2 1/4" |
5/8" |
1.180 |
8mm x 1.25 |
| DER-31545 |
2 1/4" |
5/8" |
5/8" or 3/4" |
5/16 - 18/24* |
| DER-31546 |
2 1/4" |
5/8" |
5/8" or 3/4" |
8mm x 1.25 |
| DER-31547 |
2 1/4" |
5/8" |
5/8" or 3/4" |
6mm x 8mm |
| DER-31550 |
2 1/2" |
5/8" |
5/8" or 3/4" |
5/16-18 or 5/16 24 |
| DER-31551 |
3 1/2" |
5/8" |
1.180 |
8mm x 1.25 |
| Warning: Fan should have a minimum clearance of 3/4” from the radiator, belts, hoses or pulleys. |
Selecting a Fan Spacer
With a Fan Shroud: Measure the distance from the water pump flange to the edge of the fan shroud. Add 3/4” to this measurement for the spacer. |
