Notes: Std Rotation; Severe Duty Thermal Fan Clutch; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 5/16";Std Rotation; Non-Thermal Fan Clutch; optional Non-Thermal Fan Clutch; w/o AC;Std Rotation; Optional Duty Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 5/16"; w/AC;Std Rotation; Optional Duty Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 5/16"; w/o AC
Bolt Hole Quantity: 4
Bolt Quantity: 4
Bolt Thread: 5/16-18 Hole
Clutch Maximum Diameter: 6.45
Clutch Type: D - Severe Duty & Truck Fan Drive
Color: Raw Aluminum in Color
Distance From Clutch To Mounting Flange: 1.625; 1.63
Electronic Clutch: Non Electronic
Fan Bolt Circle IN: 3.25
Fan Bolt Circle MM: 82.55; 82.6
Material: Aluminum
Meets / Exceeds OEM: Yes
Mount Dia. IN: 2.58
Mount Dia. MM: 66
Mounting Hardware: Not Included
Mounting Hole Quantity: 4
Mounting Type: Flange
New or Reman: New
Overall Dia. MM: 163.8
Overall Height IN: 3.66
Overall Height MM: 92.9
Performance Rated: Yes
Pilot Depth IN: 0.63
Pilot Depth MM: 16
Pilot Dia. IN: 0.63
Rotation: STD
SDS Required: No (135233618)
Style: Severe Duty
UPC: 096361367043
Use Type: Severe
Part Description: 1988 GMC C1500 Thermal Engine Cooling Fan Clutch
1988 GMC C1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
Notes: Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/3.42 or Lower Rear Axle Ratio; w/AC;Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/3.73 or Higher Rear Axle Ratio
Clutch Type: Thermal
Rotation: Counter Clockwise
UPC: 083286188426
Part Description: 1988 GMC C1500 Engine Cooling Fan Clutch
Notes: Clockwise (Std) Rotation; Thermal Fan Clutch; Severe Duty; w/o AC;Clockwise (Std) Rotation; Thermal Fan Clutch; Severe Duty; w/3.73 or Higher Rear Axle Ratio;Clockwise (Std) Rotation; Thermal Fan Clutch; Severe Duty; w/3.42 or Lower Rear Axle Ratio;Clockwise (Std) Rotation; Thermal Fan Clutch; Severe Duty
Clutch Type: Thermal
UPC: 083286188129
Part Description: 1988 GMC C1500 Engine Cooling Fan Clutch
Notes: Reverse Rotation; Severe Duty Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 10mm; w/AC;Reverse Rotation; Optional Duty Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 10mm; w/AC;Reverse Rotation; Severe Duty Thermal Fan Clutch; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 10mm.;Reverse Rotation; Optional Duty Thermal Fan Clutch; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 10mm.
Bolt Hole Quantity: 4
Bolt Quantity: 4
Bolt Thread: M10 x 1.5 Hole
Clutch Maximum Diameter: 6.45
Clutch Type: D - Severe Duty & Truck Fan Drive
Color: Raw Aluminum in Color
Distance From Clutch To Mounting Flange: 1.625; 1.63
Electronic Clutch: Non Electronic
Fan Bolt Circle IN: 3.25
Fan Bolt Circle MM: 82.55; 82.6
Material: Aluminum
Meets / Exceeds OEM: Yes
Mount Dia. IN: 2.46
Mount Dia. MM: 62
Mounting Hardware: Not Included
Mounting Hole Quantity: 4
Mounting Type: Flange
New or Reman: New
Overall Dia. MM: 163.8
Overall Height IN: 3.66
Overall Height MM: 92.9
Performance Rated: Yes
Pilot Depth IN: 0.63
Pilot Depth MM: 16
Pilot Dia. IN: 0.63
Rotation: REV
SDS Required: No (135233618)
Style: Severe Duty
UPC: 096361369559
Use Type: Severe
Part Description: 1988 GMC C1500 Thermal Engine Cooling Fan Clutch
Notes: Std Rotation; HD Thermal Fan Clutch; OE Fan Clutch Height; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 5/16"; w/o AC;Std Rotation; Optional HD Thermal Fan Clutch; OE Fan Clutch Height; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 5/16";Std Rotation; HD Thermal Fan Clutch; OE Fan Clutch Height; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 5/16"; w/AC;Std Rotation; HD Thermal Fan Clutch; optional HD Thermal Fan Clutch; OE Fan Clutch Height
Bolt Hole Quantity: 4
Bolt Quantity: 4
Bolt Thread: 5/16-18 Hole
Clutch Maximum Diameter: 7.2
Clutch Type: C - Heavy Duty
Color: Raw Aluminum in Color
Distance From Clutch To Mounting Flange: 1.62; 1.63
Electronic Clutch: Non Electronic
Fan Bolt Circle IN: 3.25
Fan Bolt Circle MM: 82.55; 82.6
Material: Aluminum
Meets / Exceeds OEM: Yes
Mount Dia. IN: 2.59
Mount Dia. MM: 66
Mounting Hardware: Not Included
Mounting Hole Quantity: 4
Mounting Type: Flange
New or Reman: New
Overall Dia. MM: 182.88; 182.9
Overall Height IN: 3.34
Overall Height MM: 84.9
Performance Rated: Yes
Pilot Depth IN: 0.63
Pilot Depth MM: 16
Pilot Dia. IN: 0.63 to 0.75
Rotation: STD
SDS Required: No (135233618)
Style: Heavy Duty
UPC: 096361369566
Use Type: Heavy
Part Description: 1988 GMC C1500 Thermal Engine Cooling Fan Clutch
Notes: Reverse Rotation; Optional HD Thermal Fan Clutch; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 10mm.;Reverse Rotation; HD Thermal Fan Clutch; w/3.73 Or Higher Rear Axle Ratio, Fan Mounting Holes are 10mm.;Reverse Rotation; HD Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 10mm; w/AC;Reverse Rotation; Optional HD Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 10mm; w/AC
Bolt Hole Quantity: 4
Bolt Quantity: 4
Bolt Thread: M10 x 1.5 Hole
Clutch Maximum Diameter: 7.2
Clutch Type: C - Heavy Duty
Color: Raw Aluminum in Color
Distance From Clutch To Mounting Flange: 1.625; 1.63
Electronic Clutch: Non Electronic
Fan Bolt Circle IN: 3.25
Fan Bolt Circle MM: 82.55; 82.6
Material: Aluminum
Meets / Exceeds OEM: Yes
Mount Dia. IN: 2.43
Mount Dia. MM: 62
Mounting Hardware: Not Included
Mounting Hole Quantity: 4
Mounting Type: Flange
New or Reman: New
Overall Dia. MM: 182.88; 182.9
Overall Height IN: 3.34
Overall Height MM: 84.8
Performance Rated: Yes
Pilot Depth IN: 1.03
Pilot Depth MM: 26.2
Pilot Dia. IN: 0.63
Rotation: REV
SDS Required: No (135233618)
Style: Heavy Duty
UPC: 096361369924
Use Type: Heavy
Part Description: 1988 GMC C1500 Thermal Engine Cooling Fan Clutch
Notes: Reverse Rotation; Std Duty Thermal Fan Clutch; w/3.08 or 3.42 Rear Axle Ratio; w/o AC;Reverse Rotation; Std Duty Thermal Fan Clutch; w/3.42 Or Lower Rear Axle Ratio, Fan Mounting Holes are 10mm; w/o AC
Bolt Hole Quantity: 4
Bolt Quantity: 4
Bolt Thread: M10 x 1.5 Hole
Clutch Maximum Diameter: 7.2
Clutch Type: B - Non-Thermal & Std Thermal
Color: Raw Aluminum in Color
Distance From Clutch To Mounting Flange: 1.63
Electronic Clutch: Non Electronic
Fan Bolt Circle IN: 3.25
Fan Bolt Circle MM: 82.55; 82.6
Material: Aluminum
Meets / Exceeds OEM: Yes
Mount Dia. IN: 2.43
Mount Dia. MM: 62
Mounting Hardware: Not Included
Mounting Hole Quantity: 4
Mounting Type: Flange
New or Reman: New
Overall Dia. MM: 182.9
Overall Height IN: 3.2; 3.21
Overall Height MM: 81.5
Performance Rated: Yes
Pilot Depth IN: 1.03
Pilot Depth MM: 26.2
Pilot Dia. IN: 0.63
Rotation: REV
SDS Required: No (135233618)
Style: Standard Duty
UPC: 096361369764
Use Type: Standard
Part Description: 1988 GMC C1500 Thermal Engine Cooling Fan Clutch