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Cummins ISM & M11 Parts

The Cummins M11 and its electronic successor, the ISM, are 10.8L inline-six workhorses that powered a generation of on-highway trucks, vocational rigs, and buses. JAK'S Diesel stocks aftermarket and own-brand parts for both — cylinder heads, fuel injectors, turbochargers, in-frame and overhaul rebuild kits, and full gasket sets — ready to ship same-day from Colorado, with free freight on orders over $1,000.

Not sure your number matches an M11 or ISM build? Send us the part or OEM number and we'll cross-reference it. Call or text (720) 445-6249 for a quote.

Showing 24 of 184 Cummins ISM & M11 Parts
Cummins OIL PAN
Cummins OIL PAN
JAK'S JAKS-GEN-90239
Available · Confirm Lead Time
$795.99
1…345678

Choosing the Right Cummins ISM & M11 Parts

Heavy-duty diesel components must be matched to the exact engine and application. Before ordering from this collection, verify the part number, engine model, engine serial number, and any casting or calibration number shown on the original component.

Fitment information to have ready

  • OEM, dealer, casting, or interchange part number
  • Engine manufacturer, model, and engine serial number (ESN)
  • Truck year and model when the component is chassis-specific
  • Core details for remanufactured or exchange components

Need a fitment check?

Use the OEM cross-reference tool or text a clear photo of the part tag to (720) 445-6249. A JAK'S Diesel specialist can confirm the match before the part ships.

Got a Number We Don't List?

Text a photo of the part tag — a specialist crosses it and quotes you fast.

Text a Part-Tag Photo(720) 445-6249