Best Radiator Fan Relays in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Radiator Fan Relays

ALLOYWORKS 4 Row Core Aluminum Radiator Fan Shroud Relay for 1973-1991 Chevy C K Series C10 C20 K10 Truck Pickup GMC C25 C35 C2500 C3500 Radiators(19" Core, Multiple V8 Models, 2 X 12" Fan)
#TOP1
Alloyworks 4 Row Core Aluminum Radiator Fan Shroud
9.2
PM SCORE
CU161 Radiator for 1966-1990 Chevy GMC Pontiac Cadillac Buick Oldmobile, 17 x 28-1/4 Inch Core Radiator, 4 Row Radiator + Shroud/Fan + Relay Kit
#TOP2
Cu161 Radiator For 1966-1990 Chevy Gmc Pontiac Cadillac
5.3
PM SCORE
CoolingCare Radiator for 1963-1968 Chevy Chevelle Caprice Impala Biscayne Bel Air El Camino, 3 Row Radiator + Shroud/Fan + Relay Kit
#TOP3
Coolingcare Radiator For 1963-1968 Chevy Chevelle Caprice Impala
5.3
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Radiator Fan Relays of 2026

#TOP1

Alloyworks 4 Row Core Aluminum Radiator Fan Shroud Relay For 1973-1991 Chevy C K Series C10 C20 K10 Truck Pickup Gmc C25 C35 C2500 C3500 Radiators(19" Core, Multiple V8 Models, 2 X 12" Fan)

AW ALLOYWORKS
ALLOYWORKS-422
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ALLOYWORKS 8.60

Features

[Applications] For 1973-1991 Chevy C/K Series C10/C20/K10 Truck Pickup / GMC.

[Dimensions] Core Size: 19" H x 28-1/2" W x 2 1/2" T; Overall Size: 20-1/4" H x 33-1/4" W x 5.04" T. Upper inlets: 1 1/2" located on the driver side; Lower outlets: 1 1/2" located on the passenger side.

[Full Aluminum Radiator]/[All Aluminum Radiator] Made from Aircraft AA5052 grade aluminum for prolonged lifespanand with raw aluminum finish. Full aluminum tanks and fittings, has a higher strength and greater corrosion resistance.

[Higher Density Core] Cooling rows are spaced 3/8" apart, giving you 25% more rows within the core than other aluminum radiators sold on Amazon. 14-16 cooling fins per inch, giving you approximately 1500 more cooling fins than other aluminum radiators. It provides 30% more cooling capacity than a standard radiator.

[No Leaking Worries] All radiator have to go through 5 checks in the whole process.100% leaking and pressure tested. Thickened packing(either carton or wooden box), foam with shock absorption. Delivery: US Local Delivery.

[Direct Replacement] Carefully crafted to exceptional OE standards for precise fit. CNC turret punch machine ensure the accuracy of radiator size. No Drilling or Modifications Needed for Installation.

Please use Amazon's vehicle fitment tool to confirm that the part is correct for your vehicle application before buy.

#TOP2

Cu161 Radiator For 1966-1990 Chevy Gmc Pontiac Cadillac Buick Oldmobile, 17 X 28-1/4 Inch Core Radiator, 4 Row Radiator + Shroud/Fan + Relay Kit

COOLING CARE
BEI-COOLCARE-0625
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cooling Care 8.88

Features

Core/Overall Size (Inch): 17 x 28.2 x 2.44 / 18.5 x 33.7 x 6.1; High performance 4 row cores design

Inlet/Out Diameter (Inch): 1-4/7 & 1-1/2

Build-in Transmission Oil Cooler Size: φ32*215*G1/4 (Z)

All radiators 100% leak/durability tested; No drilling or modifications needed for installation

Buy with no worry-12 months warranty

High-Fin density core design for better heat dissipation

No epoxy, 100% welded by TIG

Higher capacity for coolant, 30-35% extra flow

#TOP3

Coolingcare Radiator For 1963-1968 Chevy Chevelle Caprice Impala Biscayne Bel Air El Camino, 3 Row Radiator + Shroud/Fan + Relay Kit

COOLING CARE
BEI-COOLCARE-0133
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cooling Care 8.88

Features

Core Size: 24.7'' x 16'' x 1.73''; Overall Size: 21.9'' x 28'' x 3.8''; High performance 3 row cores

1.5‘’ upper INLET at driver side; 1.75'' lower OUTLET at passenger side

Radiator Internal Trans Oil Cooler Size: ¢26×305×G1/4(Z)

PLS double check OEM radiator core/overall size & inlet/outlet location before ordering

Buy with No Worry-12 Months warranty

All aluminum construction provides greater heat and pressure tolerance, better heat dissipation

100% leak/durability tested ; No drilling or modifications needed for installation

Full aluminum construction with durable TIG-welded end tanks

High performance, 30% extra flow

Coolingsnow 3 Row Aluminum Radiator For 1962-1972 Chevy Ii Nova Dodge Charger Coronet Plymouth Mopar V8 22" Wide Core Small Block Aluminum Radiators + Shroud Fan + Thermostat Relay Kits

COOLINGSNOW
COOLINGSNOW-0491
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CoolingSnow 5.44

Features

Core Size: 17 1/2" H x 22 1/4" W x 1.73" T; Overall Size: 22" H x 25 3/4" W

Upper inlet: 1-1/2" driver side; Lower outlet: 1-3/4" passenger side;Trans Cooler: Included

Package Include:1 X 3 Row AA5052 Aluminum Radiator;1 X Aluminum Shroud;1 X 16" Fan;1 X Thermostat Relay Kit

Performance: Made of high quality Aircraft AA5052 grade aluminum Construction. At least 35% more efficient than stock one.

Leading-edge welding craftsmanship, CE approval. Innovative engineering, manufacturing technology and quality control ensure superior quality

#TOP5

Radbuild 3 Row Radiator For 1984-2001 Jeep Cherokee Aluminum Radiator For 1986-1992 Jeep Comanche Radiador For 1984-1990 Jeep Wagoneer Radiators Shroud 3X9" Fans Thermostat Relay Kit 85 86 87 88 89 90

RADBUILD
RADBUILD-0040
35.98 X 12.99 X 6.10 Inches
22.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AutoCooler 5.24

Features

►【Vehicle Fitment】3 Row Core Aluminum Radiator for 1984-2001 Jeep Cherokee, 1986-1992 Jeep Comanche, for 1984-1990 Jeep Wagoneer

►【Radiator Size】Core Size: 30.91"H x 10.94"W x 1.73"T; Overall Size: 36.02"L x12.99"W x6.1"H; Inlet/Outlet: 1.25"/1.50"; Transmission oilcooler: φ32*190*5/8-18UNF(Z)

►【High Performance】Full AA5052 Aircraft Aluminum craftsmanship radiator & exclusive tube design that dramatically increases cooling efficiency by up to 30%~45%, strong and durable, 100% welded by TIG, No Epoxy. 100% Leak Tested

►【Easy to Install】Meticulously built to superior OE standards for a precise fit, direct bolt-on replacement. No Drilling or Modifications Needed for Installation

►【Excellent after-sales service】Local delivery with short delivery time. Warranty period: 1 year. Any questions pls feel free to contact us first

►Factory direct sales! AutoCooler aims to provide the most qualified products and the best service to customers. Our goal is meeting your needs!

#TOP6

Radrace 3 Row Aluminum Radiator Shroud Fan Relay For 1987-2006 Jeep Wrangler Tj 88 89 90 91 92 93 94 95 96 97 98 99 01 02 03 04 05 Radiators 2.4L 2.5L 4.0L 4.2L L4 L6

RADRACE
MOTORPARTSZONE707
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MotorPartsZone 7.80

Features

Core Size : 18.11" H x 20" W x 1.74"T ; Overall Size : 25.99" H x 23.03" W x 5.71" T ; Upper Let : 1.25" Passenger Side;Lower Outlet : 1.5" Driver Side ; Transmission Oilcooler: ¢26×305×M16*1.5(Z)

Features 100% Leak Tested, 3 Rows, Downflow Radiator, Durability Tested, No Drilling or Modifications Needed for Installation

OE/OEM Part Number: CC2101 CU2101 DPI2101 1682 CC1682 RAD1682 AE2101 EC2101 2101,SBR2101,CC2101,CU2101,1682 CU1682 RAD1682 52080180,52080181,52080183,52080184,RA-JEEP87-3 52080180,52080181,52080183,52080184,RA-JEEP87-3

Easy To Install: Light weight direct bolt-on replacement, stronger & higher capacity for coolant

12 Months warranty ; If you have any questions, please feel free to contact us, we will solve it for you

Behr Hella Service 376713121 Radiator

HELLA
376713121
33.46 X 4.72 X 24.41 Inches
4.92 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AutoPartKings 5.10

Features

Engine Radiator Cooling Fan Motor

Relays

COOLING RADIATOR

17111728905, 17111469176, 17111728907

17 11 1 728 905,17 11 1 469 176,17 11 1 728 907

#TOP8

Coolingcare Radiator For 1963-1968 Chevy Bel Air Caprice El Camino Impala Biscayne Chevelle Ss, All Aluminum 4 Row Radiator + Shroud/Fan + Relay

COOLING CARE
BEI-COOLCARE-0526
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cooling Care 8.64

Features

Core Size: 24.7'' x 16'' x 2.44'' ; Overall Size: 28'' x 21.9'' x 6.5''; 4 row core 2.44'' core thickness

1.5‘’ upper INLET at driver side; 1.75'' lower OUTLET at passenger side

High performance, 30-45% extra flow

Build-in trans oil cooler: ¢26×305×G1/4(Z)

100% leak/durability tested ; No drilling or modifications needed for installation

Buy with no worry-12 months warranty

Full aluminum construction with durable, TIG-welded end tanks

Carefully crafted to exceptional OE standards for precise fit

PLS double check sizes/pics of this radiator to avoid ordering wrong

#TOP9

Colquee 4 Row Core All Aluminum Radiator &Thermostat Shroud 1 X 16" Fan & Relay Kit Compatible For 1963-1966 1964 1965 Chevy C10 C20 C30 Pickup V8 Oldsmobile

COLQUEE
CQ-AUTO-0100
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kuake Auto Parts 5.01

Features

☆PAKAGE INCLUDING! - ONE 4 Row Full Aluminum Radiator+Aluminum Shroud+16"Fan&Kit. All our products are 100% tested for 1 year warranty and high quality assurance. All our Products are 100% Brand NEW!

☆VEHICLE FITMENT! - Compitable for 1963-1966 Chevy C/K Series Truck Pickup Suburban ; Compitable for 1961-1966 Pontiac Bonneville ; Compitable for 1961-1963 Oldsmobile Olds Dynamic. -Please check the Vehicle Fitment before you buy!

☆PRODUCT DETAILS! - Core Dimensions: 17-1/2"High x 25-1/4"Wide ; Overall Dimensions: 23-3/8"High x 25-1/2"Wide ; Upper inlet: 1-3/4" located on the DRIVER side ; Lower outlet: 1-3/4" located on PASSENGER side ; Maximum Fan CFM: 1730 cfm ; Maximum Fan RPM: 2,250 rpm ; Fan Amp Draw: 12.70 amps.

☆CAPACITY & TECHNIQUE! -With High tech quality control and CE welding craftsmanship, the Light weight Aluminum radiator can be direct bolt-on OEM fitment or replacement easily, and it can improve 30%-45% more cooling performance than the replaced original one.

☆SHIPMENT & SERVICE! - The item will be shipped out within 1 business day from our USA warehouse. If you have any questions, you can tell us in any time, and we will help you soon.

#TOP10

Kuuhlersat Performance Aluminum Radiator Compatible With 1982-2002 2001 Chevy S10 Blazer Corvette 5.7L V8, 4 Row Radiator + Shroud/Fan + Relay Kit

KUUHLERSAT
USAUTOPART-0104
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USAutoPart 4.70

Features

Core Size(inch): 23.7 H x 14.88 W / Overall Size(inch): 29.2 H x 16.55 W x 4.33 Thickness / Rows: 4

Inlet(inch): 1.37 / Outlet(inch): 1.37 / Core Thickness(inch): 2.45

All aluminum construction, Lightweight 4 core design, the radiator core is welded in vacuum brazing furnace, no epoxy

The cooling shroud, designed with louver to direct airflow, improving heat rejection

Engineered to last, perfect fit guarantee

Asciutta Cu1451 3 Row Aluminum Radiator For 1985-1997 Ford F150 F250 F350 Bronco/Ford F53 F Super Duty V8 Gas Diesel;Radiators + Shroud + Fan +Relay

ASCIUTTA
ASCIUTTA-00175
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CoolingSnow 5.46

Features

Core Size: 17.25" W x 20" H x 1.77" T; Overall Size: 19.75" W x 25.5" H

Core Size: 17 5/8” H x 27 5/9” W; Overall Size: 21 1/9” H x 37 5/7” W

Inlet: 1 7/9" located on the passenger side; Outlet: 1 7/9" located on the driver side

Transmission Cooler: Included (1/8-27NPT)

Leading-edge welding craftsmanship, CE approval. Innovative engineering, manufacturing technology and quality control ensure superior quality

#TOP12

Kuuhlersat Cu1778 Radiator Compatible With 1995-2004 Toyota Tacoma 2.4L 2.7L L4 3.4L V6, 3 Row Aluminum Radiator + Shroud/Fan + Relay Kit

KUUHLERSAT
USAUTOPART-0290
30.31 X 8.27 X 26.38 Inches
25.24 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USAutoPart 4.70

Features

Core Size(inch): 18 5/8 x 25 1/2 / Overall Size(inch): 23 1/2 x 28 1/8 / Rows: 3

Inlet(inch): 1 3/8 On Passenger Side / Outlet(inch): 1 3/8 On Driver Side / Core Thickness(inch): 1.74

Transmission Oil Cooler Fitting Type: M14-1.5

Brand-new radiator engineered and manufactured to meet OEM specifications for easy installation

Direct fit and built to last long with high quality aluminum core and plastic tanks preventing corrosion

Leading-edge Welding Craftsmanship, CE Approval. High Performance Racing Design, Improves Cooling by 35 -45% Temp

An exclusive tube design that dramatically increases cooling, reinforced die-stamped tanks for added rigidity, machined-billet filler neck for better pressure control

100% Leak Tested backed by a 12-month warranty. Package includes 1 complete Aluminum Shroud Electric Fan. radiator cap included

3-5 days fast shipping from NJ or CA ; Warranty : 3 Year ; If you have any questions, please feel free to contact us, we will try our best to help you.

Top 10 radiator fan relays Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Cooling Care 3
Kuuhlersat 2
Asciutta 1
Aw Alloyworks 1
Colquee 1
Coolingsnow 1
Hella 1
Radbuild 1
Radrace 1

Top 10 radiator fan relays Brands Pie Chart


We've carried out a comprehensive analysis of 205 reviews on radiator fan relays, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select radiator fan relays priced around $262.42, with top brands including zozomotors, blackhorse-racing, dorman, dskoiph, kuuhlersat, asciutta, aw alloyworks, cooling care and colquee and coolingsnow

Our team of expert editors reviewed these high-quality items and handpicked the top 12 radiator fan relays for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include max_cooling us, blackhorseracing, amazon.com, dsparts, usautopart, coolingsnow, alloyworks, cooling care and kuake auto parts and motorpartszone .

We are dedicated to assisting our users in finding the right radiators Products based on their needs, saving them considerable time when choosing which radiator fan relays to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.