AFA Industries Seal O-Ring 1662904 - 1662904

Afa Industries AFA Industries Seal O-Ring 1662904 Part No: 1662904

$2.76

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.

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)