AFA Industries Seal O-Ring 1662904
The AFA Industries 1662904 Seal O‑Ring is a TFEP/PTFE-coated seal designed for Caterpillar injector sleeves. This TFEP (dash–126) seal measures approximately 34.59 mm ID with a 2.62 mm cross-section and is coated with PTFE for enhanced wear resistance during assembly. The ring withstands hot oil, fuel, diester, coolant, and steam environments without compromise, ensuring long-term sealing integrity.
$2.38
Specifications
The AFA Industries 1662904 Seal O‑Ring is engineered to meet OEM specifications for injector sleeve sealing on Caterpillar engines such as 3406E, C13, C15, C16, and C18. Composed of TFEP (dash‑126, Shore A 80) and PTFE-coated for installation protection, it ensures consistent performance across high-temperature and chemically aggressive environments—fuel, oil, coolant, steam. With internal diameter of ~34.59 mm and cross-section ~2.62 mm, this ring ensures accurate static sealing in injector ports. Lightweight (~0.01 lb; packed dimensions ~1.57 × 1.57 × 0.12 in), it’s ideal for high-demand rebuilds and maintenance in heavy-duty Cat installations. Each order offers excellent fit and material quality, matching Cat part 166‑2904, Interstate‑McBee M‑1662904, and Reliance H1662904 cross-references.
Weight
0.01
Compatibility
Cat 966H/972H/980/988 wheel loaders
Challenger MT835/MT845/MT855/MT865 tractors
SR4/SR5 generators
Articulated dump trucks 735/740/D350E II/D400E II
Cat on-highway truck engines and power modules equipped with C13‑C18 (1990s–2000s)
Challenger MT835/MT845/MT855/MT865 tractors
SR4/SR5 generators
Articulated dump trucks 735/740/D350E II/D400E II
Cat on-highway truck engines and power modules equipped with C13‑C18 (1990s–2000s)
Alternative Part Numbers
Caterpillar 166‑2904
Interstate‑McBee M‑1662904
Reliance Power Products H1662904
Interstate‑McBee M‑1662904
Reliance Power Products H1662904
