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Cummins Engine Oil Fill Cap - 2869221

Cummins Engine Oil Fill Cap - 2869221

Regular price $10.56 USD
Regular price $19.02 USD Sale price $10.56 USD
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At FleetPro Parts, we specialize in supplying OEM replacement parts for heavy-duty trucks. From Freightliner and Detroit Diesel to Cummins, Mack, Volvo, and Wabco, our catalog covers the components you need to keep your fleet moving. Every part we stock is tested, reliable, and built to match OEM standards, so you can order with confidence. Our team knows truck parts inside out—from engine cooling and steering to AC systems, alternators, and fuel components. Whether you’re maintaining a single truck or managing an entire fleet, we make it easy to find the right part, at the right time. For when it matters. More about Us.

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Description:

The Cummins Engine Oil Fill Cap (Part# 2869221) is an OEM component engineered to maintain a tight, reliable seal at the engine oil fill port on Cummins diesel engines. This cap helps prevent oil leakage, dirt ingress, and moisture contamination, ensuring clean oil circulation and proper engine operation.

Features:

Part#: 2869221
Brand: Cummins
Product Type: Engine Oil Fill Cap
Function: Seals oil fill port
Seal Type: Integrated gasket / O-ring (if applicable)
Installation: Twist-on / press-fit (application dependent)
Operating Environment: High heat, oil exposure, vibration
Condition: New
Application    Diesel engines: Cummins ISX, ISX15, ISZ13, QSX15 (truck, generator, industrial)
Material: Typically ABS plastic (durable, oil-resistant)
Colour: Black
Finish: Matte or plain finish
Diameter (Approx.): ~ 2.50 in (63.5 mm) overall cap diameter (varies slightly by supplier)
Thread Size / Pattern: ~ 2.250″-5 thread (common in fleet/ISX engines)
Cap Depth: ~ 0.900 in (23 mm) from top to sealing surface (after threads)
Weight: Approx 0.07–0.09 lb (~30–40 g)
Sealing Method: Thread-in with integrated gasket/seal (prevents oil splash and ingress of dirt/moisture)
OEM Fitment: Specific designed to match Cummins engine filler neck dimensions (not universal)

Part# : 2869221
Brand: Cummins