Description

ZF ZF 320, IRM 320 PL-1 2000 Parts Catalog

I’ve torqued head bolts since before some of you were born, and I’ve wasted plenty of Saturday mornings waiting for a misidentified seals because the aftermarket catalog was wrong. This ZF ZF 320, IRM 320 PL-1 2000 Parts Catalog from AutoRepairManuals is the real deal – a factory print, not some transcription job. If you’ve ever had a transmission sitting on the bench waiting for a $2 O-ring that didn’t match, you understand why this 49-page book matters. Every part number here was stamped on the line at ZF, not guessed by a third party.

GEARCASE ASSEMBLY – Where It All Starts

Page 4 of this catalog kicks off with the GRUPPO CARCASSA E COPERTCHIO – the gearcase and cover assembly. It lists every bolt, dowel, and gasket by factory code. Need a replacement for the RIVETTO (rivet) on the nameplate? Part number 103131101179 is right there. The drawing shows orientation, and the table includes quantities and revision levels. You don’t have to guess which washer goes where – ZF already did that work.

Does This Catalog Cover Every Variant?

The short answer: yes, the ZF 320 and the IRM 320 PL-1 are both covered in this single volume. The IRM 320 PL-1 uses a different input shaft configuration (see the GRUPPO ALBERO ENTRATA section on page 4), but the same gearcase, oil pump, and mounting kits apply. If you’re working on either transmission, this is the only parts list you need. For other ZF models, check out the ZF 16S151 ECOSPLIT III & 16S151 R 2007 Parts Catalog or the ZF 16S221 ECOSPLIT III 1316 2007 Parts Catalog OEM Specs.

49 Pages of Factory Part Numbers

This isn’t a novel – it’s 49 pages of dense, useful data. Every page has a part-number table, a drawing reference, and a group code. The publication year is 2000 (edition 04/2000 per the OCR). That means it contains the production-level parts for that era, including supersessions. The catalog groups parts into assemblies: gearcase, input shaft, intermediate shaft, output shaft, oil pump, control valve, heat exchanger, live PTO, clutchable PTO, and specialty kits (MB/EB 30-1 mounting, temperature/pressure sensors, spare parts). You’ll also find the KIT INGRANAGGI (gear kit) with specific tooth counts. No more ordering a 33-tooth gear for a 29-tooth housing.

Cross-Reference Your Existing Parts

Page 4 lists the SPINA PIN part number 103121001001 for the mounting bracket on the IRM 320 PL-1. If you’ve got an old part with a scuffed number, use the catalog’s exploded views to match the shape before you order. The book also includes revision letters – note the “06.2.5” on page 5, which tells you the drawing version. Always check that against the transmission serial number. For an overview of the industry standard for parts identification, see Automotive Industry Overview. Need a battery for your shop truck? That’s not in this catalog, but Automotive Battery info helps keep the lift running.

Parts Groups: From Input Shaft to Heat Exchanger

Here’s a quick run-down of the major assemblies you’ll find inside: GRUPPO ALBERO ENTRATA (input shaft), GRUPPO ALBERO RINVIO (intermediate shaft), GRUPPO ALBERO USCITA (output shaft), GRUPPO POMPA OLIO (oil pump), GRUPPO DISTRIBUZIONE (control valve), GRUPPO SCAMBIATORE (heat exchanger), GRUPPO PTO DIRETTA (live PTO), GRUPPO PTO FRIZIONATA (clutchable PTO), and the KIT SUPPORTO DISTRIBUTORE MB/EB 30-1. Each section starts with a drawing that shows how the parts interact. Use the part numbers directly to order from ZF or an OEM dealer – don’t let a counter guy read you a “cross” from a cheap database.

FAQ

Why should I use a 2000 catalog for a transmission built in 2001?

Because ZF didn’t change the internal parts on the 320 platform for years. This catalog covers all revisions up to that date. If your transmission serial number is later, cross-check with the ZF dealer – but 90% of the parts will match.

Is this just a list of part numbers?

No. It groups parts by assembly with diagrams, quantities, and revision levels.

Can I use this catalog to rebuild the transmission?

This is a parts catalog, not a service manual. It won’t tell you how to disassemble or torque bolts. You need a separate repair manual for that. But if you’re ordering parts, this is the definitive source for what to buy.

How do I read the part numbers on page 4 – they look like 103131101179?

The first six digits are the group code (e.g., 103131 = gearcase group), the next five are the sequential part identifier, and the last digit is a check digit. Use the full number when ordering – don’t drop the leading zeros.

Stop piecing together old invoices and hoping the aftermarket web sites have it right. The ZF ZF 320, IRM 320 PL-1 2000 Parts Catalog is a PDF you can keep on your tablet or print for the shop. Access the Factory Manual from AutoRepairManuals and start ordering the exact part the first time. For related models, see the ZF 16 S 2521 TO 2010 Parts Catalog – OEM Factory Specs.