Description

Mitsubishi S3L2 2009 Parts Catalog

You are holding a 136-page factory document from Mitsubishi Heavy Industries – not a third-party rehash, not a scanned copy of a copy. This is the Mitsubishi S3L2 2009 Parts Catalog (Pub. No. 98615-21210) covering engine serial number 162742-UP for the S3L2-E331AC diesel engine used in crawler cranes. If you have ever wasted billable hours chasing a part number that doesn’t exist or ordered the wrong crankcase because someone guessed, this is the cure. Every bolt, shim, and sealing cap is listed with its exact factory part number, quantity per assembly, and serial number applicability. No guesswork. No excuses.

Group Numbers and Part Number System (OCR-Style Breakdown)

The catalog organizes every component by group number – for example, group 07-01 covers the crankcase assembly. Each group lists reference numbers, part numbers, descriptions, quantities per model, and the applicable serial number range. The sample page (page A3) shows how to read it: reference number 1 is the crankcase (part 31B07-52010), reference number 2 is the sealing cap (01 04823-02000), and so on. You get the full exploded illustration alongside the parts table. The back of the book includes a part number index (C1 page) and a bolt-with-washer cross-reference (D1 page). That is not fluff – that is the difference between ordering the correct shim and reinstalling a leaking crankcase.

Serial Number Range: 162742-UP – Why It Matters

Mitsubishi engines have production changes. A main bearing cap that fits serial number 011286 may not fit 011296. This catalog lists each part with a “FROM-SUPTO” column so you know exactly which serial numbers a given part applies to. On the crankcase assembly, you will see that cap part number 31A07-00801 applies to serial number 011286 and up while another version applies earlier. Ignore that and you are buying a paperweight. This manual gives you the real cutoff lines, not a generic “check fitment” note.

Why a Parts Catalog, Not a Service Manual?

Do not confuse this with a repair manual. This is a parts catalog – it tells you what the factory installed and what part number to order. Torque specs, removal procedures, and diagnostic steps are not here. For that, you need a service manual like Mitsubishi S-Series Diesel Engines 2001 Service Manual”>Mitsubishi S-Series Diesel Engines 2001 Service Manual. But if you grab a service manual and then order a cap that the catalog says does not fit your serial number, you will be making two trips to the dealer. Use the catalog first. The part number system in here is the same one dealers use. Cross-reference with industry resources like Automotive Industry Overview”>Automotive Industry Overview for background on OEM documentation standards, but trust the factory numbers for ordering.

Genuine vs. Imitation: The Manual’s Warning

Page A2 of this catalog prints a direct warning from Mitsubishi: imitation parts are not reliable in material or manufacturing method. The catalog lists only genuine Mitsubishi part numbers. If you order from this catalog, you get a factory cap, not an aftermarket casting that cracks at 2,000 hours. Every part number includes a prefix like 31B07 or 01 – those are Mitsubishi-specific. You will not find them in a generic parts database. The back of the book also includes a combination interchange list (E1 page) for cases where a new part supersedes an old one. That section saves you from ordering obsolete parts.

Related Manuals for Complete Coverage

If you own an S3L2 in a different configuration, check MITSUBISHI DIESEL ENGINE S3L2-V363JG Parts Catalogue”>MITSUBISHI DIESEL ENGINE S3L2-V363JG Parts Catalogue. For larger six-cylinder engines, see Mitsubishi S6A3-PTA/PTK Diesel Engine Parts Catalog”>Mitsubishi S6A3-PTA/PTK Diesel Engine Parts Catalog. For battery and electrical system reference, Automotive Battery”>Automotive Battery specifications may be useful, but the engine’s electrical parts are listed in this catalog under the appropriate groups.

Frequently Asked Questions

Is this manual in English?

Yes, it is bilingual Japanese/English. Part names and descriptions appear in both languages.

Does this include torque specifications for the crankcase bolts?

No – this is a parts catalog. Torque values and repair procedures are in the service manual. Use the Mitsubishi S-Series Diesel Engines 2001 Service Manual”>Mitsubishi S-Series Diesel Engines 2001 Service Manual for that data.

How do I decode the part number groups?

Each part number begins with a group prefix (e.g., 31B07 for crankcase components). The catalog’s table of contents groups parts by function – such as 07 (crankcase), 08 (cylinder head), etc. The part number index at C1 lets you search by number. If you see a mark like “G” in the symbol column, it means a combination replacement – refer to the E1 page for the new part set. Take time to read the sample explanation on page A3 before you start flipping.

Can I order parts directly using this catalog?

Yes. You need the part number, quantity, and engine serial number. Order from any Mitsubishi authorized dealer.

Access the Factory Manual. That is 136 pages of factory-correct part numbers, serial number cutoffs, and exploded diagrams – directly from Mitsubishi Heavy Industries. Do not rely on aftermarket parts lists that guess at the seal. Get the real document and stop wasting time.