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Updated: 06 Apr 2026

10 Best Performance Engine Fan Spacers

#1 Best Pick
1 SET SHLPDFM Fan Spacer Aluminum Mechanical 1" Tall Radiator Fan Spacer Kit Fits for Most Ford & Mopar Chevy Short And Long Water Pump

1 SET SHLPDFM Fan Spacer Aluminum Mechanical 1" Tall Radiator Fan Spacer Kit Fits for Most Ford & Mopar Chevy Short And Long Water Pump

Brand: SHLPDFM
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  • Fitment:Fits for Most Ford & Mopar Chevy.
  • Size:The fan adapter is approximately 1"/2.54cm thick. Direct replacement of damaged fan gasket kits, complete kits come with bolts for quick and easy installation.
  • High Quality Material:Made of premium quality Aluminum material that is corrosion resistant and resistant to cracking,long service life.
  • Package includes:1*Spacer;4*Bolts;4*Flat Washers;4*Spring Washers.
  • Pilot Hole:The size of the pilot is 5/8".
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#2 Best Value
Derale 31550 Fan Spacer

Derale 31550 Fan Spacer

Brand: Derale
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  • Length: 2.5"
  • Male Pilot Diameter: 5/8"
  • Female Pilot Diameter: 5/8" or 3/4"
  • Bolt Size: (4) 5/16"-18 & (4) 5/16"-24" This 2 1/2" belt driven fan spacer comes with a clear anodized finish and is designed to fit most domestic 5/8" and/or 3/4" pilot water pumps.Aluminum construction; Anodized clear finish
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#3 Budget Pick
Raguso Radiator Fan Spacer Kit 1in/2.54cm 1210 High Hardness Engine Fan Spacer Kit Aluminum Replacement for Ford SBC BBC for Car

Raguso Radiator Fan Spacer Kit 1in/2.54cm 1210 High Hardness Engine Fan Spacer Kit Aluminum Replacement for Ford SBC BBC for Car

Brand: Raguso
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  • Part Number: According to the original factory specifications, radiator fan spacer kit reference OEM number is 1210.
  • Applicable Model: Replacement for CHEVY short long water pump; Replacement for FORD SBC BBC; Replacement for MOPAR.
  • Construction: Made of high‑hardness aluminum, rust‑resistant, wear‑resistant, and high‑temperature resistant.
  • Fitment: Direct replacement for damaged fan spacer kit, complete kit with bolts for quick and easy installation.
  • Rigorous Testing: Manufactured according to the original production specifications, in line with strict quality standards.
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#4 Top Choice
100mm Fan Pilot Spacer 3927640 for Cummins Engine 4B3.9 6B5.9 B4.9…

100mm Fan Pilot Spacer 3927640 for Cummins Engine 4B3.9 6B5.9 B4.9…

Brand: Vnshuler
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  • Part Number: 3927640 C3927640
  • Height: 100mm
  • For Cummins Engine 4B3.9,6B5.9,6C8.3,B5.9,B4.5
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#5 Popular Choice
Flex-a-Lite 508 Mechanical Fan Spacers

Flex-a-Lite 508 Mechanical Fan Spacers

Brand: Flex-a-lite
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  • Fan spacers feature large bearing surfaces and are machined to a soft radius
  • They are required for use with Flex-A-Lite fans
  • They reduce point-loading, which is the most common cause of stress cracking on the fan centre star
  • These machined aluminium spacers are available individually or in kits with the necessary bolts and washers for a complete install
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#6 Top Pick
OVAQUIXI 1in Aluminum Fan Spacer Kit Fitment Engine Cooling Fan Spacer Kit for GM SBC Short Long

OVAQUIXI 1in Aluminum Fan Spacer Kit Fitment Engine Cooling Fan Spacer Kit for GM SBC Short Long

Brand: OVAQUIXI
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  • [DURABLE AL fit for UMINfit for UM CONSTRUCTION] ensures -, wear-, and high-temperature
  • [DIRECT FITMENT] for GM short long , SBC , and models
  • [OE QUALITY] with reference OEM number 1210 for replacement
  • [EASY INSTALLATION] complete kit with for quick setup
  • [RIGOROUSLY TESTED] to meet strict quality standards
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#7 Top Pick
Allstar Performance ALL30190 3.00" Fan Spacer Kit

Allstar Performance ALL30190 3.00" Fan Spacer Kit

Brand: Allstar Performance
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  • Position Fan Closer To Radiator Or Fan Shroud And Away From Pulleys
  • Aluminum Spacers Include Reducer Bushing
  • Four Allen Bolts To Secure Spacer To Water Pump And Four Hex Bolts With Washers To Secure Fan To Spacer
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#8 Top Pick
Flex-A-Lite 1 Inch Fan Spacer Kit, Fan Spacer (14548), Car Parts, Silver

Flex-A-Lite 1 Inch Fan Spacer Kit, Fan Spacer (14548), Car Parts, Silver

Brand: Flex-a-lite
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  • Flex-A-Lite 1 Inch Fan Spacer Kit
  • Required for Flex-A-Lite belt-driven fan installations, this aluminum spacer is designed to correctly position a belt-driven fan for optimal cooling
  • Features a large load-bearing surface and is machined to a soft radius around the edge to prevent stress cracking on the radiator fan center star; Includes the bolts and washers needed to install the cooling fan and spacer
  • Use up to three 1-inch automotive fan spacers to achieve the proper fan position and prevent damage to the fan
  • Car parts spacer comes with a one-year manufacturer warranty and is the perfect companion to your engine
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#9 Top Pick
Allstar Performance ALL30188 2.50" Fan Spacer Kit

Allstar Performance ALL30188 2.50" Fan Spacer Kit

Brand: Allstar Performance
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  • The package length is 22.86 centimeters
  • The package height is 6.096 centimeters
  • The package width is 14.732 centimeters
  • Package Weight : 0.9 pounds
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#10 Top Pick
Allstar Performance ALL30180 1/2" Fan Spacer Kit

Allstar Performance ALL30180 1/2" Fan Spacer Kit

Brand: Allstar Performance
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  • Position Fan Closer To Radiator Or Fan Shroud And Away From Pulleys
  • Aluminum Spacers Include Reducer Bushing
  • Four Allen Bolts To Secure Spacer To Water Pump And Four Hex Bolts With Washers To Secure Fan To Spacer
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