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Thumbnail Filmstrip of Duramax 04-21 Fuel Sending Unit Lock Ring AcDelco TR26 Images
The ACDelco TR26 (GM 10325852) is the OE fuel tank sending unit / fuel pump lock ring that helps align and secure the fuel tank sender. GM lists it for many trucks and vans, including 2007–2025 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD with the 6.6L Duramax.
Features & Benefits
- OE fuel tank lock ring / fuel pump retainer, GM P/N 10325852 / ACDelco TR26
- Helps align and secure the fuel tank sender (per GM)
- Supersedes GM 84666902 and 94702378
- Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors
Application
- Chevrolet Silverado 2500 HD / 3500 HD and GMC Sierra 2500 HD / 3500 HD (2007–2025), incl. 6.6L Duramax diesel
- Chevrolet Express / GMC Savana 2500 / 3500 (2007–2025)
- Also listed for Silverado / Sierra 1500 and Express / Savana 1500
Earlier (2004–2006) Duramax trucks are not shown in the GM vehicle list we reviewed; verify by part number.
Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.
Cross-Reference / OE Numbers
- ACDelco: TR26
- GM: 10325852
- Replaces GM: 84666902, 94702378
The ACDelco TR26 (GM 10325852) is the OE fuel tank sending unit / fuel pump lock ring that helps align and secure the fuel tank sender. GM lists it for many trucks and vans, including 2007–2025 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD with the 6.6L Duramax.
Features & Benefits
OE fuel tank lock ring / fuel pump retainer, GM P/N 10325852 / ACDelco TR26
Helps align and secure the fuel tank sender (per GM)
Supersedes GM 84666902 and 94702378
Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors
Application
Chevrolet Silverado 2500 HD / 3500 HD and GMC Sierra 2500 HD / 3500 HD (2007–2025), incl. 6.6L Duramax diesel
Chevrolet Express / GMC Savana 2500 / 3500 (2007–2025)
Also listed for Silverado / Sierra 1500 and Express / Savana 1500
Earlier (2004–2006) Duramax trucks are not shown in the GM vehicle list we reviewed; verify by part number.
Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.
Cross-Reference / OE Numbers
ACDelco: TR26
GM: 10325852
Replaces GM: 84666902, 94702378[...]
The ACDelco TR26 (GM 10325852) is the OE fuel tank sending unit / fuel pump lock ring that helps align and secure the fuel tank sender. GM lists it for many trucks and vans, including 2007–2025 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD with the 6.6L Duramax.
Features & Benefits
- OE fuel tank lock ring / fuel pump retainer, GM P/N 10325852 / ACDelco TR26
- Helps align and secure the fuel tank sender (per GM)
- Supersedes GM 84666902 and 94702378
- Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors
Application
- Chevrolet Silverado 2500 HD / 3500 HD and GMC Sierra 2500 HD / 3500 HD (2007–2025), incl. 6.6L Duramax diesel
- Chevrolet Express / GMC Savana 2500 / 3500 (2007–2025)
- Also listed for Silverado / Sierra 1500 and Express / Savana 1500
Earlier (2004–2006) Duramax trucks are not shown in the GM vehicle list we reviewed; verify by part number.
Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.
Cross-Reference / OE Numbers
- ACDelco: TR26
- GM: 10325852
- Replaces GM: 84666902, 94702378