Caterpillar 3116 & 3126 Parts
CAT 3116 and 3126 parts for medium-duty trucks, buses, and equipment — built to keep these workhorse mid-bore CAT engines earning. JAK'S Diesel stocks the high-wear pieces these platforms need: cylinder heads, fuel injectors, turbochargers, head gaskets and gasket sets, and full rebuild kits, drawing on PAI Industries aftermarket lines plus our own JAK'S Diesel Heads.
Not sure a part fits your 3116 or 3126? Send us the OEM, competitor, or superseded number and we'll cross-reference it. Same-day shipping, with free freight over $1,000. Call or text (720) 445-6249 for a quote.
Choosing the Right Caterpillar 3116 & 3126 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.