AFA Industries AFA Industries Seal O-Ring 1090078 Part No: 1090078

$2.84

The AFA Industries 1090078 Seal O‑Ring delivers an exacting Buna‑N seal ideal for heavy‑duty Caterpillar oil‑pump pick‑up applications. Manufactured by AFA Industries, the 1090078 Seal O‑Ring is precision-engineered from Buna‑N rubber with a temperature rating of -40°F to +250°F. It fits CAT 3406E, C15, and ACERT oil pick‑up tubes with a 37.47 mm ID (1.48") and 0.21" cross‑section. It maintains tight sealing under high oil pressure and temperature stress, preventing leaks while preserving engine lubrication integrity in demanding service cycles.

Specifications

The AFA Industries 1090078 Seal O‑Ring is a performance seal tailored for Caterpillar engine oil‑pump pick‑up tube assemblies. Designed to meet OEM specifications, it measures approximately 37.47 mm (1.48") inside diameter with a 0.21" cross‑section, matching SAE dash size ‑325. Constructed of premium Buna‑N rubber, it withstands extreme engine oil, coolant, arctic temperatures, and high pressure. This seal ensures reliable, leak-free service in CAT 3406E, C15, ACERT, and related series engines used in Freightliner, Peterbilt, Kenworth, and Western Star trucks built since 1998. Exceptional for maintenance and repairs where precise fit and durability are critical for fleet uptime.

Compatibility

Freightliner trucks with CAT 3406E/C15 (1998 and newer)
Kenworth heavy-duty models powered by CAT C15/ACERT engines
Peterbilt trucks using CAT C15/C16 powerplants
Western Star equipment fitted with CAT 3406E/C15 series (1998 onwards)