Service Parts - Engine Parts Manual - How to Find Part Numbers

Oct 29, 2026

This manual lists service replacement parts for General Motors 5.0L and 5.7L engines. It provides guidance on the numbering systems used for model, group, and individual part numbers, including how group variations map to components. It explains how illustrations support part identification and gives step-by-step instructions to locate service replacement parts using the model nameplate and the model index. The document includes an organized model index and sections covering common engine subassemblies.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages48

Reading Time2 h 1 min

AccessFree to download

Introduction

Numbering System Significance

Illustrations

How to Find Part Numbers

Model Index

Service Parts Engine Engine Model: General Motors 5.0/5.7 L Powertrain EPA Certified Engines Generator Models: 48/60RCL48RCLA50/60REZG(B) 50/60ERES(B)80REZGB/D80RZGD80ERESB/D100REZGB/D100RZGD100ERESB/D TP-6731 7/16d Table of Contents Description Page Introduction ................................................................. 3 Number System Significance .................................................. 3 Illustrations .................................................................. 3 How to Find Part Numbers .................................................... 3 Model Number Index ......................................................... 4 1--1: Dipstick ................................................................ 5 1--1: Dress Kit .............................................................. 6 1--2: Starter ................................................................. 7 1--3: Fan Spacer ............................................................ 9 1--4: Lifting Eye, Idler, Belt ................................................... 10 1--5: Flywheel Adapter ...................................................... 13 1--6: Flywheel/Housing ...................................................... 14 1--7: Exhaust Manifold ...................................................... 16 1--8: Exhaust Pipe .......................................................... 18 1--9: Thermostat ........................................................... 20 1--10: High Voltage Switch (HVS) ............................................. 21 1--11: Electrical ............................................................. 22 1--12: Ignition System ....................................................... 24 1--13.1: Fuel System ........................................................ 26 1--13.2: Fuel System, EPR/Mixer ............................................. 28 1--13.3: Fuel System, Throttle Body ........................................... 29 1--14: Pulley Assembly ...................................................... 30 1--15: Alternator ............................................................ 31 1--18: Oil Filter/Adapter ...................................................... 32 1--19: Intake Manifold ....................................................... 33 1--20.1: Turbocharger ....................................................... 34 1--20.2: Turbocharger Hardware .............................................. 35 1--21: Freeze Plug .......................................................... 36 1--22: Water Pump Hardware ................................................ 36 2--1: Engine Block/Lower End ................................................ 38 2--2: Engine Head Upper End ................................................ 42 # Introduction This manual lists service replacement parts for GeneralMotors 5.0L and 5.7L engines. Information in this publication represents data availableat the time of print. Kohler Co. reserves the right tochange this publication andthe products representedwithout notice and without any obligation or liabilitywhatsoever. This manual includes the following main sections: Table of Contents. Lists the sections of the manual. Introduction (and other information sections) .Contains introductory material about part numbers,illustrations, and hardware. Index. Lists the engine models and groups. Group Parts Lists. List the part numbers of parts in thegroups. # Numbering System Significance This manual uses the following numbering systems: Model. The product identification number located onthe nameplate. Engines breakdown into groups. Group Number. A unique number representing a partsgroup neededtoassemble a generatorsetfunction. Forexample, Group 1--2 isthe Starter group. Part Number. The part number identifies an individualassembly, subassembly, component, or accessory kit. # Illustrations Illustrations

FAQs

What engines does this manual cover?

It lists service replacement parts for General Motors 5.0L and 5.7L engines.

What do the manual’s numbering systems represent?

The manual defines model numbers from the nameplate, group numbers for part groups used to assemble a generator set function, and part numbers for individual assemblies, subassemblies, components, or accessory kits.

How do you find the correct part number using this manual?

Locate the nameplate for the model number, use the Model Index to determine the group variation number, then go to the indicated group and variation page or the Table of Contents, and use the illustration item number or part description in the parts list.

Oct 29, 2026

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