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Dorman 800-735 Automatic Transmission Oil Cooler Line Connector
| Brand | Dorman 800-735 |
|---|---|
| Fitting Angle | Straight |
| Fitting Attachment End Type 1 | Quick Disconnect |
| Fitting Attachment End Type 2 | Male Thread |
| Fitting Size End 1 (in) | 0.375 in |
| Fitting Size End 2 (in) | 0.563 in |
| Material | Aluminum |
| Package Contents | 1 Transmission Fitting |
| Thread Sealer Present | No |
| Fits | Buick, Cadillac, Pontiac, and Oldsmobile · 20 vehicles |
OE-style replacement. Matches the fit and function of the original connector for leak-free performance.
Aluminum construction. Durable material helps maintain a secure connection between the transmission and cooler.
Quick disconnect end. Simplifies attachment on one side for a straightforward service connection.
Cross-references AMS Automotive 4255 and 24225125 for the same application. See all 2.
Automatic Transmission Oil Cooler Line Connector
Dorman 800-735 is an aluminum automatic transmission oil cooler line connector built to match the fit and function of the original connector. It restores the connection between the transmission and oil cooler to help maintain leak-free operation on select Buick, Cadillac, Pontiac, and Oldsmobile applications.
- Aluminum construction for transmission cooler line service
- Straight fitting design
- Quick disconnect end on one side and male thread on the other
- End sizes: 0.375 in and 0.563 in
- Direct replacement for damaged OE-style cooler line connector
Fitment Details
- Fits 2006-2011 Buick Lucerne, to transmission; 9/16 in. x 18 thread to quick connect
- Fits 2006-2011 Cadillac DTS, to transmission; 9/16 in. x 18 thread to quick connect
- Fits 2004-2005 Cadillac DeVille, to transmission; 9/16 in. x 18 thread to quick connect
- Fits 2004-2005 Pontiac Bonneville, to transmission; 9/16 in. x 18 thread to quick connect
- Fits 2004 Cadillac Seville, to transmission; 9/16 in. x 18 thread to quick connect
- Fits 1995-1997 Oldsmobile Aurora, to transmission; 9/16 in. x 18 thread to quick connect
What This Connector Helps Address
- Transmission cooler line leaks at the connector
- Damaged or worn original quick-connect fitting
- Loose or unreliable cooler line attachment
- Fluid loss between the transmission and oil cooler
- Service issues caused by a cracked or corroded fitting
Installation Notes
Verify the thread size and quick-disconnect style before installation. This Dorman 800-735 connector uses a straight layout with a male-thread end and a quick-disconnect end, so the existing line and transmission port must match the listed configuration. Thread sealer is not present.
Quality Assurance
Dorman manufactures this transmission oil cooler line connector as an OE-style replacement part for restoring proper connection integrity. This part cross-references AMS Automotive 4255 and 24225125 for the same application.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2011 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2010 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2010 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2009 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2009 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2008 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2008 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2007 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2007 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2006 | Buick | Lucerne | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2006 | Cadillac | DTS | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2005 | Cadillac | DeVille | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2005 | Pontiac | Bonneville | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2004 | Cadillac | DeVille | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2004 | Cadillac | Seville | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 2004 | Pontiac | Bonneville | 4.6L | V8 | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 1997 | Oldsmobile | Aurora | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 1996 | Oldsmobile | Aurora | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| 1995 | Oldsmobile | Aurora | — | — | N/A | To Transmission; 9/16 In. x 18 Thread to Quick Connect; Package Quantity: 1 |
| No rows match your filter. | ||||||