Dorman 82590 Coolant Cap 75-00 GMC Yukon Chevy Tahoe Pontiac Firebird 371978
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$11.62
Select your vehicle at the top of the page to check fitment.
Couldn't load pickup availability
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
- Direct replacement - this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit - reverse-engineered from the original equipment to fit perfectly
- Excellent value - a quick, easy replacement that's less expensive than going back to the dealership
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1982-1993 | Buick | Century | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1980 | Buick | Century | Screw On Cap; White Lettering; Packaging Type: Card; 5.0L V8 | |
| 1977 | Buick | Century | Screw On Cap; White Lettering; Packaging Type: Card; 6.6L V8 | |
| 1977-1990 | Buick | Electra | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1983 | Buick | Estate Wagon | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1996-1999 | Buick | LeSabre | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1990 | Buick | LeSabre | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1996-2000 | Buick | Park Avenue | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1987 | Buick | Regal | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1980 | Buick | Regal | Screw On Cap; White Lettering; Packaging Type: Card; 5.0L V8 | |
| 1977-1979 | Buick | Riviera | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1975-1985 | Buick | Skylark | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1979 | Cadillac | Eldorado | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | Chevrolet | Blazer | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | C10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | C10 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | Chevrolet | C1500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | Chevrolet | C20 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | C20 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | C30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | Chevrolet | C3500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1987-1992 | Chevrolet | Camaro | Screw On Cap; White Lettering; Packaging Type: Card; 5.7L V8 | |
| 1982-1992 | Chevrolet | Camaro | Screw On Cap; White Lettering; Packaging Type: Card; 5.0L V8 | |
| 1980-1981 | Chevrolet | Camaro | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1979 | Chevrolet | Camaro | Screw On Cap; White Lettering; Packaging Type: Card; 5.0L V8 | |
| 1978-1979 | Chevrolet | Camaro | Screw On Cap; White Lettering; Packaging Type: Card; 5.7L V8 | |
| 1981-1990 | Chevrolet | Caprice | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1990 | Chevrolet | Celebrity | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1979-1986 | Chevrolet | Chevette | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1983 | Chevrolet | Citation | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1984-1985 | Chevrolet | Citation II | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1982 | Chevrolet | Corvette | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1976 | Chevrolet | Corvette | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1987 | Chevrolet | El Camino | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1996 | Chevrolet | Express 2500 | Screw On Cap; w/Vented Cap; White Lettering; Packaging Type: Card | |
| 1985-1995 | Chevrolet | G10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1995 | Chevrolet | G20 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1996 | Chevrolet | G30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1981-1985 | Chevrolet | Impala | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K10 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | Chevrolet | K1500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K20 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K20 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | Chevrolet | K2500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | Chevrolet | K3500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | Chevrolet | K5 Blazer | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1994-1995 | Chevrolet | LLV | Screw On Cap; White Lettering; wo/Dex-Cool Cap; Packaging Type: Card | |
| 1987-1993 | Chevrolet | LLV | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1990-1996 | Chevrolet | Lumina APV | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1995 | Chevrolet | Lumina Van | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1983 | Chevrolet | Malibu | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1988 | Chevrolet | Monte Carlo | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1980 | Chevrolet | Monza | Screw On Cap; White Lettering; Packaging Type: Card; 3.8L V6 | |
| 1976-1979 | Chevrolet | Nova | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1993-1996 | Chevrolet | P30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | Chevrolet | R10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | R10 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | R1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | R20 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | R20 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989 | Chevrolet | R2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | R2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | R30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | R3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1993 | Chevrolet | S10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1994 | Chevrolet | S10 Blazer | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1990-1991 | Chevrolet | Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1995-1999 | Chevrolet | Tahoe | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | Chevrolet | V10 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | V10 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | V1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | Chevrolet | V20 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | V20 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | V2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1988 | Chevrolet | V30 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1991 | Chevrolet | V3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | C1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | GMC | C1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | GMC | C1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | C2500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | GMC | C2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | GMC | C2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | C3500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | GMC | C3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1987 | GMC | Caballero | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1995 | GMC | G1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1995 | GMC | G2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1996 | GMC | G3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1994 | GMC | Jimmy | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | K1500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | GMC | K1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | GMC | K1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | K2500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | GMC | K2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1985-1986 | GMC | K2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1988-1991 | GMC | K3500 | Screw On Cap; White Lettering; wo/Vented Cap; Packaging Type: Card | |
| 1985-1986 | GMC | K3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | GMC | R1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | R1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1989 | GMC | R2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | R2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | R3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1990 | GMC | S15 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1991 | GMC | S15 Jimmy | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1996 | GMC | Savana 2500 | Screw On Cap; w/Vented Cap; White Lettering; Packaging Type: Card | |
| 1991-1993 | GMC | Sonoma | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1991 | GMC | Syclone | Screw On Cap; White Lettering; Packaging Type: Card; 4.3L V6 | |
| 1992-1993 | GMC | Typhoon | Screw On Cap; White Lettering; Packaging Type: Card; 4.3L V6 | |
| 1987 | GMC | V1500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | V1500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | GMC | V2500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | V2500 Suburban | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1991 | GMC | V3500 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1992-2000 | GMC | Yukon | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1990 | Oldsmobile | 98 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1984 | Oldsmobile | 98 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1983 | Oldsmobile | 98 | Screw On Cap; White Lettering; Packaging Type: Card; 5.7L V8 | |
| 1982-1983 | Oldsmobile | 98 | Screw On Cap; White Lettering; Packaging Type: Card; 5.0L V8 | |
| 1976-1981 | Oldsmobile | 98 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1991-1994 | Oldsmobile | Bravada | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1990 | Oldsmobile | Custom Cruiser | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987 | Oldsmobile | Cutlass | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1976-1981 | Oldsmobile | Cutlass | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1984 | Oldsmobile | Cutlass Calais | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1993 | Oldsmobile | Cutlass Ciera | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1993 | Oldsmobile | Cutlass Cruiser | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1976-1987 | Oldsmobile | Cutlass Supreme | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1989-1990 | Oldsmobile | Delta 88 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1986-1988 | Oldsmobile | Delta 88 | Screw On Cap; White Lettering; Packaging Type: Card; 3.8L V6 | |
| 1976-1985 | Oldsmobile | Delta 88 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1975-1984 | Oldsmobile | Omega | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1990-1996 | Oldsmobile | Silhouette | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1979 | Oldsmobile | Toronado | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1991 | Pontiac | 6000 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1990 | Pontiac | Bonneville | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1981 | Pontiac | Catalina | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1984-1988 | Pontiac | Fiero | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1982-1992 | Pontiac | Firebird | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1980 | Pontiac | Grand Am | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1981 | Pontiac | Grand LeMans | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1987 | Pontiac | Grand Prix | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1978-1981 | Pontiac | LeMans | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1983-1986 | Pontiac | Parisienne | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1977-1984 | Pontiac | Phoenix | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1987-1989 | Pontiac | Safari | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1981-1986 | Pontiac | T1000 | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1990-1996 | Pontiac | Trans Sport | Screw On Cap; White Lettering; Packaging Type: Card | |
| 1975-1977 | Pontiac | Ventura | Screw On Cap; White Lettering; Packaging Type: Card |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 82590 |
| UPC | 037495825900 |
| Material | Plastic |
| Color | Black |
| Type | Twist |
| Diameter | 51.13 mm |
| Attachment Type | Twist On |
| Vented | Yes |
| Pressure Release Lever | No |
| Pressurized | No |
| Package Contents | 1 Coolant Cap |
| Width (in) | 2.013 in |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 371978 | General Motors (OE) |
|---|---|
| 14011345 | General Motors (OE) |
| 15630112 | General Motors (OE) |
| 551304 | General Motors (OE) |
| RC77 | Interchange |
| 9-1659 | Interchange |
| 825903 | Interchange |
| T31 | Interchange |