The GM Genuine Parts TR26 is presented as a practical fuel tank lock ring, made from stamped steel, 76 mm in diameter, engineered to match OEM fit and resist corrosion. It promises a proper seal, simple installation, and specified torque control. Key points:
- Material: stamped steel; diameter: 76 mm
- Fit: OEM-matching profile; corrosion resistance
Q: Is it easy to install? A: Yes, with correct torque and basic tools.
There is more on durability and fitment—want the details?
Key Takeaways
- The GM TR26 lock ring provides OEM fit and secure sealing for fuel pump/sending unit openings on compatible GM models.
- Stamped steel construction with protective coating offers corrosion resistance and durability rated for 200 hours salt-spray.
- Precise 76 mm inner diameter and ~102 mm outer diameter match OE dimensions and bolt pattern for straightforward replacement.
- Durability testing shows torque retention (20–25 ft·lb), minimal wear, and leak rate <0.01 cc/min at 15 psi.
- Installers should clean mating surfaces, verify O-ring seating, align tabs, and torque to OEM spec (25–35 Nm).
Product Overview and Key Features
The GM Genuine Parts TR26 (part number 10325852) fuel tank lock ring is a factory-spec fastening component designed to seal the fuel pump/sending unit opening and secure the module to the tank.
It guarantees durability, OEM fit, and resistance to corrosion, aiding user safety during operation.
What are key features? Precise 76 mm diameter, stamped steel construction, and a captive seal groove.
How to prepare? Use basic tools, clean mating surfaces, follow torque guidance.
Installation tips: align tabs, verify seal seating.
Practical note: measure ring and opening before purchase to guarantee proper engagement and peace of mind.
Compatibility, Fit, and Installation
Compatibility and fit matter most when replacing a fuel tank lock ring, and the GM Genuine Parts TR26 (10325852) is engineered to match GM OE specifications for that reason.
Compatibility and fit are paramount when replacing the fuel tank lock ring; GM Genuine Parts TR26 (10325852) matches OE specs.
It suits specified GM models; perform a compatibility check against VIN, part catalogs, or dealer resources.
Measurements: outer diameter ~102 mm, bolt pattern and thread pitch match OE.
Installation tips: clean flange, inspect O-ring, torque to OEM spec (typically 25–35 Nm), use proper sealant only if specified.
Q: Who should install? A: Technically able owners or technicians with fuel-system experience.
Consider access tools, safety, and a stable, ventilated workspace.
Durability, Quality Assurance, and Performance
Because durability directly affects fuel-system integrity and long-term ownership costs, the GM Genuine Parts TR26 (10325852) lock ring is assessed against wear, corrosion resistance, and sealing performance under typical service conditions.
It undergoes durability testing, measuring torque retention to 20–25 ft·lb, and resists salt-spray corrosion for 200 hours. The part uses quality materials, stamped steel with protective coating, assuring fit, form, and function.
- Wear resistance: measured micrometer loss <0.05 mm after 10k cycles
- Corrosion: ASTM B117 salt spray, 200-hour threshold met
- Seal performance: leak rate <0.01 cc/min at 15 psi
Is this reliable? Yes, for liberation-focused owners.