Universal Fan Spacers
Specifications:
These universal belt-driven aluminum fan spacers from Derale are constructed from high quality aluminum and feature an anodized clear finish. They fit most domestic 5/8" or 3/4" pilot water pumps and come ready to install, with hardware, right out of the box. Fan should have a minimum clearance of 3/4" from the radiator, belts, hoses, or pulleys.
Features:Does Derale 31550 fit your vehicle?
1978 PONTIAC SUNBIRD
- Liter: 2.5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 151
- Engine Type: L4 ( 2.5L / 151 )
- Engine Vin: 1
1977 CHEVROLET MONZA
- Liter: 2.3
- SubModel: TOWNE COUPE CABRIOLET
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 140
- Engine Type: L4 ( 2.3L / 140 )
- Engine Vin: B
1971 GMC G15/G1500 VAN
- Liter: 4.1
- SubModel: VANDURA
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: L
1973 GMC G35/G3500 VAN
- Liter: 4.1
- SubModel: RALLY
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: Q
1984 MERCURY MARQUIS
- Liter: 3.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 232
- Engine Type: V6 ( 3.8L / 232 )
- Engine Vin: 3
1977 PONTIAC SUNBIRD
- Liter: 3.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 231
- Engine Type: V6 ( 3.8L / 231 )
- Engine Vin: A
1975 CHEVROLET C20
- Liter: 4.1
- SubModel: CHEYENNE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: Q
1979 GMC CABALLERO
- Liter: 3.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 231
- Engine Type: V6 ( 3.8L / 231 )
- Engine Vin: 2
1979 CHEVROLET EL CAMINO
- Liter: 3.8
- SubModel: ROYAL KNIGHT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 231
- Engine Type: V6 ( 3.8L / 231 )
- Engine Vin: 2
1979 BUICK CENTURY
- Liter: 3.8
- SubModel: LIMITED
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 231
- Engine Type: V6 ( 3.8L / 231 )
- Engine Vin: 2
1971 CHEVROLET CHEVELLE
- Liter: 4.1
- SubModel: CONCOURS ESTATE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: -
1978 BUICK SKYLARK
- Liter: 3.8
- SubModel: SPORT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2-1/2" length with 5/8" or 3/4" female pilot
- CUI: 231
- Engine Type: V6 ( 3.8L / 231 )
- Engine Vin: A
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.