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Dorman 800-811 Engine Oil Cooler Line Connector
Reliable Engine Oil Cooler Line Connector for Chevrolet and GMC Vehicles
The Dorman 800-811 engine oil cooler line connector is designed specifically for select Chevrolet and GMC models, including the Astro, C10, and K1500 series. Crafted from durable brass, this connector ensures a secure and leak-free connection in your vehicle's cooling system.
- Constructed from corrosion-resistant brass material
- Threaded end type with female and male threads for precise fit
- Straight fitting angle with a round shape for easy installation
- Designed for specific fitment on Chevrolet and GMC trucks and vans
- Compatible with transmission line systems requiring M20-1.50 and 3/8 inch NPT fittings
Durable Brass Construction and Precise Threaded Design
The Dorman 800-811 engine oil cooler line connector features a natural, unfinished brass fitting that provides excellent resistance to corrosion and wear. Its threaded ends include a female M20-1.50 thread on one side and a male 3/8 inch NPT thread on the other, allowing for a secure and leak-resistant connection. The straight fitting angle and round shape facilitate straightforward installation without the need for swivel adjustments. This part is engineered specifically for transmission line connections, ensuring compatibility with the cooling systems of Chevrolet and GMC vehicles such as the C1500, G20, and Safari models.
Applications and Common Issues Addressed
- Replacement of worn or damaged engine oil cooler line connectors
- Resolving leaks in the transmission oil cooler lines
- Maintaining proper transmission fluid cooling for optimal vehicle performance
- Preventing contamination and fluid loss in the cooling system
- Ensuring secure connections in specific Chevrolet and GMC truck and van models
Installation Notes and Tips
When installing the Dorman 800-811 connector, ensure that the threads are clean and free of debris to prevent leaks. Use appropriate thread sealant compatible with transmission fluid systems if required, as this part does not include a thread sealer. Tighten fittings to manufacturer torque specifications to avoid damage. This connector is designed for specific fitment, so verify compatibility with your Chevrolet or GMC model before installation.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 800-811 engine oil cooler line connector undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 800-811 |
| Material | Brass |
| End 1 Type | Threaded |
| Swivel | No |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Shape | Round |
| End Outside Diameter | 3/8 in npt |
| Fitting Angle | Straight |
| Fitting Attachment End Type 1 | Female thread |
| Fitting Attachment End Type 2 | Male thread |
| Fitting Finish | Natural/no finish |
| Fitting Size End 1 (in) | M20-1.50 |
| Fitting Size End 2 (in) | 3/8 in npt |
| Fitting Type | Transmission line connector |
| Package Contents | 1 transmission line connector |
| Thread Sealer Present | No |
This part fits 114 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Chevrolet | G30 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1996 | GMC | G3500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | Chevrolet | G10 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | Chevrolet | G20 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | Chevrolet | G30 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | GMC | G1500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | GMC | G2500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1995 | GMC | G3500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | Chevrolet | G10 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | Chevrolet | G20 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | Chevrolet | G30 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | GMC | G1500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | GMC | G2500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1994 | GMC | G3500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | Chevrolet | G10 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | Chevrolet | G20 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | Chevrolet | G30 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | GMC | G1500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | GMC | G2500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | GMC | G3500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1993 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | Chevrolet | G10 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | Chevrolet | G20 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | Chevrolet | G30 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | GMC | G1500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | GMC | G2500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | GMC | G3500 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1992 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1991 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1991 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | Chevrolet | G30 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | GMC | G3500 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1991 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1990 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1990 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | Chevrolet | G30 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | GMC | G3500 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1990 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1989 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1989 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | Chevrolet | G30 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | GMC | G3500 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1989 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1988 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1988 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | Chevrolet | G30 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | GMC | G3500 | 7.4L | V8 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1988 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1987 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1987 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | Chevrolet | R10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | Chevrolet | R20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | Chevrolet | V10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | R1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | R2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1987 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1987 | GMC | V1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1986 | Chevrolet | C10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | C20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | Chevrolet | K10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | C1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | C2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | K1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1986 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1985 | Chevrolet | Astro | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter | ||
| 1985 | Chevrolet | C10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | C20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | G10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | G20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | G30 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | K10 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | Chevrolet | K20 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | C1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | C2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | G1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | G2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | G3500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | K1500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | K2500 | 4.3L | V6 | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
| 1985 | GMC | Safari | N/A | 3/8 In. NPT to 20 mm x 1.0 Thread Adapter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.