Description

Ford LSG-423 Parts Catalog – 183 Pages of Factory Part Numbers

I have been turning wrenches for 28 years, and I can tell you the difference between a job that goes smooth and a job that turns into a parts-scavenger hunt is a factory parts catalog. This Ford LSG-423 Parts Catalog is that catalog. 183 pages of exploded diagrams and OEM part numbers for the 140 CID gasoline engine. No guessing which bearing fits – the factory tells you.

Page 2 starts with the CYLINDER BLOCK AND PLUGS and the BAFFLE – CYLINDER BLOCK VENTILATION. That is the level of detail you get. Every nut, every seal, every gasket kit – it is all in here. You want the GASKET KITS – ENGINE LOWER AND VALVE GRIND? Page 4. The CYLINDER HEAD? Page 8. The CONNECTING ROD, BEARING – CRANKSHAFT MAIN, PISTON – pages 10, 14, 10 respectively. This is a working document, not a coffee table book.

Cylinder Block and Plugs: Page 2 Breakdown

Start at the foundation. The CYLINDER ASSEMBLY and CYLINDER BLOCK AND PLUGS are listed on page 2. It includes the OIL LEVEL INDICATOR and BAFFLE – CYLINDER BLOCK VENTILATION. If you are rebuilding a Ford LSG-423, you need those part numbers. The catalog shows the exploded view, so you can see how the baffle fits and which plug goes where. No third-party reprint will give you that.

Related manual: Ford LSG-423, SSD-327, SSD-437, SSD-655, SSD-681 Parts Catalog covers other engine configurations if you need cross-referencing.

Carburetor Options: Holley and Facet

Two different carburetor setups are listed separately. CARBURETOR – HOLLEY on page 44, CARBURETOR – FACET on page 46. The AIR HORN – CARBURETOR section on page 78. If you are swapping carbs or rebuilding, you need the exact gasket and jet numbers. The catalog splits them because the parts are not interchangeable. I have seen a DIYer bolt a Holley air horn onto a Facet base – does not work. This manual prevents that.

7 Systems Covered in 183 Pages

Scan the index and you see seven major system groups: engine internals (pages 2-24), fuel system (38-46), ignition (54-56), cooling (34, 64-68), exhaust (42), clutch/flywheel (16), and governor/PTO (58, 32). Each section breaks down to individual components. For example, the ALTERNATOR AND RELATED PARTS section (page 48) includes the alternator bracket, pulley, and wiring harness part numbers. Automotive Industry Overview can give you background, but this catalog gives you the part numbers.

For battery-related parts, the Automotive Battery section is not in this catalog, but the alternator section covers the charging system components.

Who Needs This Parts Catalog?

Professional mechanics rebuilding a Ford LSG-423 for a power unit or industrial engine. Home-shop guys restoring old Ford equipment. Workshop owners who want to avoid ordering the wrong parts and eating the return shipping. The catalog is pure part numbers and diagrams – no repair procedures, no torque specs. That means you pair it with a service manual. Check the Ford LSG-423, SSD-327, SSD-437, SSD-655, SSD-681 Parts Catalog – Factory Specs for torque values and clearances.

OEM Authenticity: Why Aftermarket Reprints Won’t Cut It

This is an original Ford Power Products catalog. The index lists BEARING – CAMSHAFT across pages 8-12 because different cam bearing sets are used on different engine builds. Aftermarket “universal” parts books collapse those into one line – then you get the wrong bearing. The catalog also includes the GOVERNOR (page 58) and POWER UNIT sections (pages 60-66). Those sections are often missing from reprints. If you are sourcing parts for a Ford LSG-423, you want the factory source. Also see the Ford Wheel Loader 1975 Parts Catalog – OEM Factory Manual for related equipment.

FAQ

Does this catalog include assembly torque values?

No. This is a parts catalog, not a service manual. It lists part numbers and diagrams only.

How is this different from a generic aftermarket parts list?

Aftermarket parts lists often skip variations in OEM part numbers across production runs. The Ford LSG-423 Parts Catalog includes every factory part number for the 140 CID engine, including sub-assemblies like the cylinder head, bearing sets, and carburetor variants (Holley and Facet). It shows exploded views so you can identify exactly which gasket kit, piston ring, or oil pump you need. I have seen too many techs order the wrong bearing because the aftermarket book combined two different crankshafts. This catalog eliminates that. On page 2 alone, you get the cylinder block plugs and baffle assembly. That level of detail is not in any third-party reprint.

Only OEM source for Ford LSG-423 parts data. 183 pages. Access the Factory Manual.