Overflow radiator reservoir cap fits 1981-1987 for Chevrolet for GMC C/K General Motors trucks.

Condition:New|Brand:Unbranded|Manufacturer Part Number:big77636|Fitment Type:Direct Replacement|Placement on Vehicle:Engine Compartment, Right Side Passengers Inner Fender|Type:Coolant Bottle|Interchange Part Number:1984 1985 1986 1987 RV Series 1988 1989 1990 1991, 85 86 87 88 89 90 91 RV , C10 C20 C30 K10 K20 K30 for Sierra Classic, for Chevrolet Pickup Direst Replacement Part, GM 1981-87 88-91 81 82 83 84 85, GM 1981-87 88-91 RV 81 82 83 84 85 Inner Fender, Replaces Nos GM Bottle, for Sierra Grande Custom Deluxe 1981 1982 1983, Suburban Silverado Blazer Jimmy Overflow Tank C10|Material:Plastic|Items Included:Bottle & cap, Cap|Other Part Number: for Sierra Classic Inner Fender Radiator Reservoir K5|Mounting Style:Bolt-On|Modified Item:For 81 82 83 84 85 86 87 for Chevy for GMC Truck Pickup|OE/ Part Number:For 1981 - 1987 for GMC C / K Series|UPC:Does not apply