Description

Mitsubishi K3B, K3D, K3E Parts Catalog – OEM Factory Specs

Look, I’ve been turning wrenches for almost three decades. I’ve seen guys order a head gasket for a K3D only to find out it’s the wrong revision because they used an aftermarket parts list. That’s a waste of money and time. This Mitsubishi K3B, K3D, K3E Parts Catalog is the real deal – 115 pages of OEM part numbers, exploded diagrams, and interchangeability codes straight from Mitsubishi. No guesswork. You get the exact part number for your specific engine variant.

Skip the cross-reference databases that give you three different numbers. This catalog came from Mitsubishi’s quality control system – the same one that stamps “MITSUBISHI GENUINE PARTS” on the box. The OCR excerpt in the front even warns against imitation parts because of material and manufacturing differences. That’s not a gamble you want to take.

Engine Group Breakdown – Crank Case to Timing Parts

The table of contents starts with ENGINE on page 7. It breaks down into crank case, oil pan and gear case, cylinder head, main moving parts, and timing parts. Each sub-section has a key number that points to the exact part in the diagram. If you need a piston ring set for a K3E, you go to section 04 – Main Moving Parts. You get the STD or OS size listed, and the quantity required per engine. Page 7 is where you start.

Fuel System Components – Injection Pump and Nozzle Holder

After the engine block comes FUEL SYSTEM on page 26. That covers fuel supply parts, the injection pump, nozzle and nozzle holder, and the fuel filter. The injection pump section alone has multiple pages because Mitsubishi used different pumps depending on application – 61AM, 61AT, 61FG, etc. If you’re rebuilding a K3D for a tractor, you need the 61TG variant’s pump parts. Page 26 shows the fuel supply layout.

How to Interpret the R/P Symbols and Effective Engine Numbers

Page 3 explains how to read the replaceability (R/P) symbols. Five symbols – O, X, Y, Z, and # – tell you whether a new part fits old engines or vice versa. The effective engine number column shows when a part was modified. I’ve seen guys ignore that column and order a cylinder head that only fits engines after serial number XYZ. Then they’re stuck. This catalog makes that clear.

3 Key Sections Beyond the Engine Block

Don’t stop at the fuel system. The catalog covers the governor system (page 50), lubrication system (page 56), and cooling system (page 62). Each has its own sub-sections with part numbers for oil pumps, radiators, and governor springs. If you need a water pump seal for a K3B, you find it under Cooling Parts on page 62. That’s three systems that get overlooked when people only look at the engine diagram.

Does This Catalog Cover Your Specific K3B/K3D/K3E Variant?

Page 3 lists every application code – 61A for standard industrial, 61ES for mini power shovel, 61PA for ANI-Perkins, 61SG for generator sets, and on through 61WM, 61WP, 61EM, 61KL, 61RA. You need to match your engine’s model and use code. If you have a K3D with code 61FG (tractor), the part numbers in the injection pump section and output clutch section apply. If you don’t know your code, find the engine plate first.

For other Mitsubishi diesel engines, the Mitsubishi S3L2 2009 Parts Catalog – OEM Factory Specs covers a different displacement. The Mitsubishi S6A3-PTA PTK 1991 Parts Catalog – Factory OEM Specs handles the six-cylinder line. And the Mitsubishi 4DQ50 Parts Catalog – OEM Diesel Engine Specs is for the four-cylinder industrial series. Each is a separate catalog; don’t mix them up.

A quick word on source validity: this isn’t a third-party reprint. It’s a scanned copy of the original Mitsubishi factory documentation. The text on page 2 says “MITSUBISHI GENUINE PARTS are superior and reliable because they have been produced under the excellent quality control system.” That’s the same standard you get when you order from a Mitsubishi dealer. If you want to understand how OEM documentation differs from aftermarket, read the Automotive Industry Overview and note how manufacturers protect their intellectual property. Battery-related parts are referenced in the electrical section; for general battery knowledge, see Automotive Battery.

This catalog suits anyone turning wrenches on a K3B, K3D, or K3E diesel – from the home garage enthusiast rebuilding a sailboat engine to the shop owner maintaining a generator set. You don’t need to be a pro tech to use it; just read the “How to Use Parts List” section on page 3. It explains key numbers, quantities, and abbreviations like ASSY and OS. If you’ve ever returned a part because the numbers didn’t match, this eliminates that frustration.

Is this manual a repair manual or a parts list?

Parts ordering only.

How do I know which engine variant my K3D is?

Look at the engine nameplate for the application code (e.g., 61FG, 61DM). The table on page 3 shows which code corresponds to your engine’s use – tractor, sailing boat, generator, etc. If the plate is missing, cross-reference the engine serial number with the effective engine number list on page 116. Without the code, you risk ordering parts that don’t fit the flywheel housing or injection pump mounting.

Can I use this catalog to find aftermarket replacement parts?

No. This catalog lists Mitsubishi genuine part numbers only. The manufacturer warns that imitation parts are not recommended due to inferior material and manufacturing methods. If you want a non-OEM part, you’ll need to cross-reference the Mitsubishi number with an aftermarket supplier’s catalog.

What is the difference between R/P symbols O and X?

O means both new and old parts are usable on both new and old engines. X means new parts fit only new engines, and old parts fit only old engines. Check the effective engine number to determine which revision your engine is.

If you’re overhauling a K3B for a generator set or repairing a K3E for a loader, you need the right part numbers the first time. Access the Factory Manual from AutoRepairManuals and get the Mitsubishi factory data on your screen. 115 pages, OEM diagrams, replaceability codes – that’s what keeps your rebuild on track.