Detroit Series 60 12.7L Parts & Rebuild Kits | ATL Diesel

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Detroit Series 60 12.7L Parts & Rebuild Kits | ATL Diesel

If you're rebuilding or maintaining a Detroit Diesel Series 60 12.7L, you're in the right place. ATL Diesel stocks OEM and aftermarket parts for the 12.7L Series 60 — inframe kits, full overhaul kits, with-head kits, head gaskets, injectors, turbos, oil pumps, water pumps, air compressor rebuild parts, and the smaller hard-to-find pieces that always seem to be missing when a teardown is halfway done.

We've been shipping Detroit Series 60 parts to owner-operators, repair shops, and fleets for 20 years. Most orders ship the same day. Call (940) 286-4144 if you want a tech to verify the right part number for your engine serial.

What you'll find in this collection

Inframe and overhaul rebuild kits

The most-asked-for category. We carry inframe kits (pistons, liners, rings, rod bearings, gaskets) and full overhaul kits that add main bearings, thrust washers, and the upper engine components. With-head kits are also available for shops that want everything in a single box, head included.

Head gaskets and cylinder head parts

Head gasket sets, head bolts, head gasket kits with seals and o-rings, and replacement gaskets for the EGR-equipped 12.7L variants.

Injectors and fuel system

Remanufactured and new injectors for the 12.7L, plus fuel filter housings, transfer pumps, fuel lines, and o-ring kits.

Turbos and air system parts

Turbos, charge air cooler hoses, intake manifold gaskets, and aftercooler seal kits.

Oil pumps, water pumps, and accessory drive

Oil pumps, water pumps, oil cooler kits, accessory drive rebuild kits, and front gear train components.

Air compressor and air system rebuild parts

Air compressor rebuild kits and replacement compressors for the 12.7L engine.

EGR and aftertreatment components

For EGR-equipped 12.7L engines: EGR coolers, EGR valves, related gaskets, and replacement hardware.

Brands we carry for the 12.7L

We stock parts from ATL, PAI Industries, Interstate-McBee, and IPD

Frequently asked questions

How much does a Detroit Series 60 12.7L rebuild cost?

Parts alone for a full inframe rebuild on a 12.7L typically run $3,500 to $6,500, depending on the brand and whether you need a head, injectors, or turbo work bundled in. Labor at a shop usually adds $4,000 to $8,000. Owner-operators who do their own work commonly come in around the $5,000 parts mark for a complete inframe-plus-head rebuild.

What's the difference between an inframe kit and an overhaul kit?

An inframe kit (sometimes called an "in-frame" or "in-chassis" kit) is what you need to rebuild the engine without pulling it from the truck. It includes pistons, liners, rings, rod bearings, and gaskets. An overhaul kit adds main bearings, thrust washers, and other components that require the engine to come out of the chassis to install. With-head kits add the cylinder head itself.

How long does a Detroit Series 60 12.7L last between rebuilds?

The 12.7L Series 60 is one of the most durable highway diesels ever built. Well-maintained engines routinely go 800,000 to 1,200,000 miles before a first inframe. Some make it past 1.5 million on the original bottom end. The 14L variant goes even longer.

Is the 12.7L Series 60 the same as the 14L?

No — they share the same architecture but the 14L has a longer stroke and different displacement. Most parts are not interchangeable. If you're shopping for a 14L, see our Detroit Diesel Series 60 14L collection. Always verify the engine serial number before ordering.

Will these parts fit pre-EGR and EGR 12.7L engines?

Many will, but some won't — EGR engines (2002 and later) use different head gaskets, different EGR-specific components, and in some cases different pistons. Always provide your engine serial number when you call so we can match parts to the exact build.

Can ATL help me figure out what I need for a full rebuild?

Yes. Call (940) 286-4144 with your engine serial number and the work you're planning. A tech will walk through the parts list with you and flag anything commonly missed.

Related collections

Shopping for a different Detroit? See our Detroit Diesel Series 60 14L and Detroit Diesel DD15 collections. For everything Detroit, browse the full parts catalog.

Order or get help

Add items to your cart below or call (940) 286-4144. We ship most parts the same day. ATL Diesel is family-owned and we've been doing this for 20 years — we know the 12.7L.

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