Afa Industries AFA Industries Seal O-Ring 9X7430 Part No: 9X7430
$2.91
The AFA Industries 9X7430 O‑ring is a direct replacement for Cat OEM part 9X‑7430 and fits Dash‑709 standard (25.63 mm ID × 1.40 mm cross-section). Molded from Viton‑90 FKM (often dark blue‑green with PTFE coating), it’s specified for injectors and static seal zones on Cat 3406E, C15, C16, and C18 engines. The material resists diesel fuel, engine oil, hydraulic fluid, and high temperatures, ensuring reliable sealing performance without extrusion or compression set.
Specifications
The AFA Industries 9X7430 O‑Ring Seal replicates Caterpillar OEM part 9X‑7430, commonly used on Cat 3406E, C15, C16, C18 fuel injector sleeves and static seal flanges. It meets AS568A‑709 specification with dimensions of 25.63 mm (1.01″) inner diameter and 1.40 mm (0.055″) cross‑section, molded from Viton‑90 FKM with PTFE coating to resist chemical attack and maintain flexibility in extreme conditions. Rated for –40 °F to 350 °F service environments and compatible with engine oil, diesel, hydraulic fluid, and petroleum-based lubricants—excluding coolant or amines—9X7430 ensures long-lasting seal integrity. Lightweight and compact, it’s ideal for maintenance and rebuild applications requiring precise injector tube sealing. Widely stocked by OEM distributors.
Weight
0.01
Compatibility
Alternative Part Numbers
- Caterpillar 9X‑7430
- Interstate‑McBee M‑9X7430
Related Parts
Afa Industries
Part No: A4352144
$474.27
View Part