Four Seasons 35906 Engine Cooling Fan Motor Relay

Brand Four Seasons 35906
Amperage Rating 30
Bracket? w/ Bracket
Color Black
Connector Gender female
Connector Shape Rectangular
Description Relays
Meets / Exceeds OEM? Yes
Skirt? Yes
Style Standard Relay
Terminal Gender Male
Terminal Quantity 4
Terminal Type Blade
Type Standard
Voltage 12
Product line Relay
Fits Chevrolet, GMC, Pontiac, Buick, and Oldsmobile · 144 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable relay performance.

Standard relay. 12-volt, 30-amp design with blade terminals for straightforward wiring.

Bracket included. Built with a rectangular connector and skirted black housing.

Cross-references AMS Automotive 4711, Anchor 2564 and Dayco 84189 for the same application. See all 24.

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Engine Cooling Fan Relay for GM Applications

The Four Seasons Relay 35906 is a standard 12-volt engine cooling fan motor relay built for dependable electrical switching in cooling fan circuits. It uses a 4-blade terminal layout, a rectangular female connector, and a black housing with bracket and skirt for OE-style fitment.

Compatible With 1982-1990 Chevrolet C1500, C2500, C35, C3500, K1500, K2500, K3500, R3500, and V3500 applications, plus additional Chevrolet, GMC, Buick, Oldsmobile, and Pontiac models listed below. This Four Seasons Relay 35906 also cross-references FEL-PRO 35906 for the same application.

Key Features

  • 12-volt standard relay for engine cooling fan motor circuits
  • 30-amp amperage rating for electrical switching demands
  • 4 blade terminals with female connector and male terminals
  • Rectangular connector shape with black finish
  • Bracket and skirt included in the relay design
  • Meets or exceeds OEM requirements
  • Four Seasons Relay 35906 fitment for a wide range of GM vehicles

Product Details

Four Seasons 35906 is a standard relay used in engine cooling fan control systems where reliable current switching is required. The 30-amp rating, 12-volt design, and OE-style terminal configuration support direct replacement use in many GM passenger car and truck applications. This part number is listed across multiple interchange references, including Four Seasons 33918 and FEL-PRO 35906, which helps confirm application matching during service work.

Body fitment includes 1982-1990 Chevrolet and GMC trucks and vans, along with 1982-1987 Buick, Chevrolet, Oldsmobile, and Pontiac passenger cars. Several listings specify air conditioning-equipped vehicles or radiator fan motor relay applications, so verify the original relay style and connector before ordering. Common search terms for this part include engine cooling fan relay for 1988 Chevrolet C1500, radiator fan motor relay for 1985 GMC K2500, and cooling fan relay for 1984 Pontiac Fiero.

What This Relay Helps Address

  • Cooling fan not turning on
  • Intermittent radiator fan operation
  • Electrical relay failure in the fan circuit
  • Overheating caused by poor fan control
  • Relay replacement for OE-style GM cooling system service

Installation Notes and Tips

Confirm the connector shape, terminal count, and bracket style against the original relay before installation. Review the vehicle listing notes carefully, especially applications marked for air conditioning systems or specific radiator fan motor relay locations. For best results, inspect the fan motor, fuse, wiring, and control circuit before replacing the relay.

Quality Assurance

Four Seasons 35906 is listed as meeting or exceeding OEM requirements for the specified applications. Its standard relay construction and OE-style electrical layout support accurate replacement service on compatible Chevrolet, GMC, Buick, Oldsmobile, and Pontiac vehicles.

  • Fits 1990 Chevrolet C1500, Relay
  • Fits 1988 Chevrolet C1500, Relay
  • Fits 1990 Chevrolet C2500, Relay
  • Fits 1988 Chevrolet C2500, Relay
  • Fits 1990 Chevrolet C35, Relay
  • Fits 1990 Chevrolet C3500, Relay
  • Fits 1990 Chevrolet K1500, Relay
  • Fits 1988 Chevrolet K1500, Relay
  • Fits 1990 Chevrolet K2500, Relay
  • Fits 1988 Chevrolet K2500, Relay
  • Fits 1990 Chevrolet K3500, Relay
  • Fits 1990 Chevrolet R3500, Relay
  • Fits 1990 Chevrolet V3500, Relay
  • Fits 1988-1989 Chevrolet C3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1988-1989 Chevrolet K3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1989 Chevrolet R2500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1989 Chevrolet R2500 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1989 Chevrolet R3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1989 Chevrolet V3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1988-1989 GMC C3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 GMC C3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1988-1989 GMC K3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 GMC K3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1989 GMC R2500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1989 GMC R2500 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1989 GMC R3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1989 GMC V3500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1988 Chevrolet C15, Relay
  • Fits 1987-1988 Chevrolet R20, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1988 Chevrolet R20 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1988 Chevrolet R30, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1988 Chevrolet V20 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987-1988 Chevrolet V30, Relay; Fits vehicles with air conditioning systems.
  • Fits 1987 Chevrolet R10, Relay
  • Fits 1987 Chevrolet V10, Relay
  • Fits 1987 Chevrolet V20, Relay
  • Fits 1987 GMC R1500, Relay
  • Fits 1987 GMC V1500, Relay
  • Fits 1987 GMC V2500, Relay
  • Fits 1983-1987 Pontiac Firebird, Relay; Fits vehicles with air conditioning systems.
  • Fits 1984-1986 Buick Century, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982 Buick Century, Relay; Fits vehicles with air conditioning systems.
  • Fits 1986 Chevrolet C10, Relay
  • Fits 1985-1986 Chevrolet C20, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 Chevrolet C20 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 Chevrolet C30, Relay; Fits vehicles with air conditioning systems.
  • Fits 1983-1986 Chevrolet Camaro, Relay; Fits vehicles with air conditioning systems.
  • Fits 1986 Chevrolet Caprice, Relay
  • Fits 1986 Chevrolet Celebrity, Relay
  • Fits 1984 Chevrolet Celebrity, Relay
  • Fits 1986 Chevrolet K10, Relay
  • Fits 1986 Chevrolet K20, Relay
  • Fits 1985-1986 Chevrolet K30, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 GMC C1500, Relay
  • Fits 1985-1986 GMC C2500, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 GMC C2500 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985-1986 GMC K1500, Relay
  • Fits 1985-1986 GMC K2500, Relay
  • Fits 1984-1986 Pontiac 6000, Relay
  • Fits 1984-1985 Buick Skylark, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982 Buick Skylark, Relay; Fits vehicles with air conditioning systems.
  • Fits 1984-1985 Chevrolet Celebrity, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982 Chevrolet Celebrity, Relay; Fits vehicles with air conditioning systems.
  • Fits 1984-1985 Chevrolet Citation II, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985 Chevrolet K20 Suburban, Relay; Fits vehicles with air conditioning systems.
  • Fits 1985 Oldsmobile Cutlass Ciera, Relay; Radiator Fan Motor Relay; Marked 14078902.
  • Fits 1984 Buick Century, Relay; Control.
  • Fits 1982-1984 Chevrolet Citation, Relay; Fits vehicles with air conditioning systems.
  • Fits 1984 Chevrolet Corvette, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982-1984 Oldsmobile Cutlass Ciera, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982-1984 Oldsmobile Omega, Relay; Fits vehicles with air conditioning systems.
  • Fits 1984 Pontiac Fiero, Relay; Radiator Fan Motor Relay; w/o AC.
  • Fits 1984 Pontiac Phoenix, Relay; Fits vehicles with air conditioning systems.
  • Fits 1982 Pontiac Phoenix, Relay; Fits vehicles with air conditioning systems.
  • Fits 1983 Buick Century, Relay; Canada Emissions, U.S. Emissions.
  • Fits 1983 Buick Century, Relay; Canada Emissions.
  • Fits 1983 Chevrolet Celebrity, Relay; Radiator Fan Motor Relay; Marked 14078902.
  • Fits 1982-1983 Pontiac 6000, Relay; Radiator Fan Motor Relay; Stamped-14078902.
  • Fits 1983 Pontiac Firebird, Relay
  • Fits 1983 Pontiac Phoenix, Relay; Radiator Fan Motor Relay; Marked 14078902.
  • Fits 1982 Buick Century, Relay; Radiator Fan Motor Relay; By Left Wheelhouse.
  • Fits 1982 Oldsmobile Cutlass Ciera, Relay; Radiator Fan Motor Relay; Mounting Wheelhouse.
This part fits 144 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
1990ChevroletC1500———N/ARelay
1990ChevroletC2500———N/ARelay
1990ChevroletC35———N/ARelay
1990ChevroletC3500———N/ARelay
1990ChevroletK1500———N/ARelay
1990ChevroletK2500———N/ARelay
1990ChevroletK3500———N/ARelay
1990ChevroletR3500———N/ARelay
1990ChevroletV3500———N/ARelay
1989ChevroletC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989ChevroletK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989ChevroletR2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989ChevroletR2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989ChevroletR3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989ChevroletV3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCR2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCR2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCR3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1989GMCV3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletC15———N/ARelay
1988ChevroletC1500———N/ARelay
1988ChevroletC2500———N/ARelay
1988ChevroletC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletK1500———N/ARelay
1988ChevroletK2500———N/ARelay
1988ChevroletK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletR20—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletR20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletR30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletV20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988ChevroletV30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCR2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCR2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCR3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1988GMCV3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987ChevroletR10———N/ARelay
1987ChevroletR20—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987ChevroletR20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987ChevroletR30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987ChevroletV10———N/ARelay
1987ChevroletV20———N/ARelay
1987ChevroletV20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987ChevroletV30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987GMCR1500———N/ARelay
1987GMCR2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987GMCR2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987GMCR3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987GMCV1500———N/ARelay
1987GMCV2500———N/ARelay
1987GMCV3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1987PontiacFirebird—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1986BuickCenturySedan2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1986BuickCenturyCoupe2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1986ChevroletC10———N/ARelay
1986ChevroletC20—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986ChevroletC20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986ChevroletC30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986ChevroletCamaro—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1986ChevroletCaprice———N/ARelay
1986ChevroletCelebrity—2.5LL4N/ARelay
1986ChevroletK10———N/ARelay
1986ChevroletK20———N/ARelay
1986ChevroletK30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986GMCC1500———N/ARelay
1986GMCC2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986GMCC2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986GMCC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986GMCK1500———N/ARelay
1986GMCK2500———N/ARelay
1986GMCK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1986Pontiac6000———N/ARelay
1986PontiacFirebird—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1985BuickCenturySedan2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1985BuickCenturyCoupe2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1985BuickSkylark—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletC20—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletC20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletC30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletCamaro—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletCelebrity—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletCelebrity—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletCitation II—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletK20 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985ChevroletK30—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985GMCC1500———N/ARelay
1985GMCC2500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985GMCC2500 Suburban—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985GMCC3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985GMCK1500———N/ARelay
1985GMCK2500———N/ARelay
1985GMCK3500—7.4LV8N/AFits vehicles with air conditioning systems.; Relay
1985OldsmobileCutlass Ciera—2.8LV6N/ARadiator Fan Motor Relay; Marked 14078902; Relay
1985Pontiac6000—2.5LL4N/ARelay
1985PontiacFirebird—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1984BuickCenturySedan2.5LL4N/AControl; Relay
1984BuickCenturyWagon2.5LL4N/AControl; Relay
1984BuickCenturyCoupe2.5LL4N/AControl; Relay
1984BuickCenturySedan2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984BuickCenturyCoupe2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984BuickSkylark—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984ChevroletCamaro—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1984ChevroletCelebrity—2.5LL4N/ARelay
1984ChevroletCelebrity—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984ChevroletCitation———N/AFits vehicles with air conditioning systems.; Relay
1984ChevroletCitation II—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984ChevroletCorvette———N/AFits vehicles with air conditioning systems.; Relay
1984OldsmobileCutlass Ciera—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984OldsmobileOmega—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1984Pontiac6000—2.5LL4N/ARelay
1984PontiacFiero———N/ARadiator Fan Motor Relay; w/o AC; Relay
1984PontiacFirebird—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1984PontiacPhoenix—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1983BuickCenturySedan2.5LL4N/ACanada Emissions, U.S. Emissions; Relay
1983BuickCenturyCoupe2.5LL4N/ACanada Emissions, U.S. Emissions; Relay
1983BuickCenturySedan2.8LV6N/ACanada Emissions; Relay
1983BuickCenturyCoupe2.8LV6N/ACanada Emissions; Relay
1983ChevroletCamaro—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1983ChevroletCelebrity—2.5LL4N/ARadiator Fan Motor Relay; Marked 14078902; Relay
1983ChevroletCitation—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1983OldsmobileCutlass Ciera—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1983OldsmobileCutlass Ciera—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1983OldsmobileOmega—2.8LV6N/AFits vehicles with air conditioning systems.; Relay
1983Pontiac6000—2.5LL4N/ARadiator Fan Motor Relay; Stamped-14078902; Relay
1983PontiacFirebird—5.0LV8N/ARelay
1983PontiacFirebird—5.0LV8N/AFits vehicles with air conditioning systems.; Relay
1983PontiacFirebird—2.5LL4N/ARelay
1983PontiacFirebird—2.8LV6N/ARelay
1983PontiacPhoenix———N/ARadiator Fan Motor Relay; Marked 14078902; Relay
1982BuickCenturySedan2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982BuickCenturyCoupe2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982BuickCenturySedan3.0LV6N/ARadiator Fan Motor Relay; By Left Wheelhouse; Relay
1982BuickCenturyCoupe3.0LV6N/ARadiator Fan Motor Relay; By Left Wheelhouse; Relay
1982BuickSkylark—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982ChevroletCelebrity—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982ChevroletCitation—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982OldsmobileCutlass Ciera—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982OldsmobileCutlass Ciera—3.0LV6N/ARadiator Fan Motor Relay; Mounting Wheelhouse; Relay
1982OldsmobileOmega—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
1982Pontiac6000—2.5LL4N/ARadiator Fan Motor Relay; Stamped-14078902; Relay
1982PontiacPhoenix—2.5LL4N/AFits vehicles with air conditioning systems.; Relay
Directly replaces or cross-references 24 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4711Anchor — 2564Dayco — 84189FEL-PRO — 35906Four Seasons — 33918Gates — 19842Global Parts Distributors LLC — 1711295142451102821582182088042441897017790147807811135906V140471121407341714078902AC8328AC8340E807524HS189MT0498RE4271