321-285 Caterpillar 3406E C13 C15 Injector O-Ring Kit | Fuel System Seal Parts

321-285 / 248-1394 / 189-5390 Caterpillar 3406E C13 C15 Injector O-Ring Kit

OEM-quality injector O-ring kit for Caterpillar 3406E, C13, and C15 diesel engines. Provides a complete set of precision-molded O-rings for fuel injector sealing, preventing fuel and combustion gas leaks at the injector bore. Essential for injector service, fuel system overhaul, and preventive maintenance. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.

Part Specifications

• Part Number: 321-285 / 248-1394 / 189-5390
• Brand: Caterpillar (CAT)
• Component: Injector O-Ring Kit
• Condition: New / OEM Replacement
• Country of Origin: China
• HS Code: 8409.99
• Application: Industrial / On-Highway / Marine / Power Generation

Compatible Engine Models

• Caterpillar 3406E
• Caterpillar C13
• Caterpillar C15
• Please confirm compatibility with your engine serial number before ordering.

Cross Reference Numbers

321-285 | 321285 | CAT321285 | 248-1394 | 2481394 | CAT2481394 | 189-5390 | 1895390 | CAT1895390

Supersedes / Alternate Part Numbers

• 248-1394 — Injector O-Ring Kit (Alternate)
• 189-5390 — Injector O-Ring Kit (Alternate)

Why Choose Us?

• Global B2B wholesale supply
• Bulk pricing available — contact us for a quote
• Fast international shipping
• OEM & aftermarket options

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