Dorman 800-603 Transmission Oil Cooler Line Connector
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
$15.86
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.
Product Description
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
- Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction - this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply - this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2002 | Chevrolet | Express 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2002 | Chevrolet | Express 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2002 | Chevrolet | Express 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2002 | GMC | Savana 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2002 | GMC | Savana 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2002 | GMC | Savana 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | Chevrolet | Express 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | Chevrolet | Express 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | Chevrolet | Express 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | GMC | Savana 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | GMC | Savana 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2001 | GMC | Savana 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | B7 | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C2500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C2500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C3500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C3500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C3500HD | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C6500 Kodiak | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | C7500 Kodiak | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | Express 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | Express 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | Express 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | Express 3500 | V8 454 7.4L; VIN J | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | K2500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | K2500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | K3500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | K3500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Chevrolet | Tahoe | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | B7 | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C2500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C2500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C3500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C3500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C3500HD | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C6500 Topkick | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | C7500 Topkick | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | K2500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | K2500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | K3500 | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | K3500 | V8 454 7.4L | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | Savana 1500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | Savana 2500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | Savana 3500 | V8 350 5.7L | Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | Savana 3500 | V8 454 7.4L; VIN J | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | GMC | Yukon | V8 350 5.7L | 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Workhorse | P32 | V8 454 7.4L; GAS | wo/Bypass; Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Workhorse | P42 | V8 454 7.4L; GAS | wo/Bypass; Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 2000 | Workhorse Custom Chassis | P32 | V8 454 7.4L; GAS | wo/Bypass; Engine Oil Cooler Line to Engine Block; 3/8 In. x 18 Thread to Quick Connect | |
| 1999 | Chevrolet | B7 | V8 454 7.4L; GAS | wo/Bypass; 3/8 In. x 18 Thread to Quick Connect |
Product Specifications
| End 1 Outside Diameter: | 0.88 in |
|---|---|
| End 1 Type: | Quick Connect |
| End 2 Outside Diameter: | 0.66 in |
| End 2 Type: | NPT |
| End Quantity: | 2 |
| Fitting Angle: | Straight |
| Fitting Finish: | Natural |
| Grade Type: | Regular |
| Length Axis 1: | 0.57 in |
| Length Axis 2: | 0.99 in |
| Material: | Steel |
| Mounting Hardware Included: | No |
| Package Contents: | 1 Transmission Line Connector |
| Packaging Type: | Clamshell |
| Shape: | Cylinder |
| Thread Sealer Present: | Yes |
| Thread Type: | Medium |
| Type: | Connector |
| Package Quantity: | 1 |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 15043741 | GENERAL MOTORS |
| 15691507 | GENERAL MOTORS |