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International Harvester Engine Parts | Diesel & Gasoline Engines | FP Smith Parts & Equipment

International Harvester Engine Parts | Diesel & Gasoline Engines | FP Smith Parts & Equipment

Leading the Parts Industry since 1947. FP Smith Parts & Equipment stocks quality International Harvester (IH) engine parts, including new OEM surplus, used, and reconditioned pistons, rings, bearings, gaskets, fuel system components, and rebuild kits for IH gasoline, distillate, and diesel engines. Specialists in supplying older, hard-to-find obsolete IH parts. We maintain millions of parts physically stocked — not brokered — at our facility in Fairfield, California.

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International Harvester Engine Parts Specialist

International Harvester produced a wide range of gasoline, distillate, and diesel engines from the 1930s through the 1980s (and into the Navistar era). FP Smith carries an extensive inventory of IH engine parts for the following models:

Gasoline / Distillate Tractor Engines (Letter Series & Early Farmall)

Used in Farmall A/B/C/H/M, W-Series, T-Series crawlers

  • C-113, C-123, C-135, C-146, C-152, C-164, C-175, C-248, C-264, C-281

Gas-Start Diesel Engines (IH Exclusive System)

Used in TD-6, TD-9, TD-14 crawlers

  • D-248 Gas-Start, D-335 Gas-Start, D-461 Gas-Start

British IH Diesel Engines (BD-Series)

Used in B-Series tractors & IH 500 crawler

  • BD-144, BD-154, BD-175, BD-264

Small & Mid-Size IH Diesel Engines (D-Series)

Used in 404, 424, 444, 454, 574, 674, 84-Series, TD-7, TD-8, 100C

  • D-155, D-179, D-188, D-206, D-239, D-246, D-268, D-282, D-301

German IH Diesel Engines (Neuss Engines)

Used in 84-Series, 85-Series, TD-9B, 100E

  • D-155 (German), D-179 (German), D-206 (German), D-239 (German), D-310, D-358

Large IH Diesel Engines (DT-Series)

Used in 806, 856, 1206, 1256, 1456, 1466, 1566, TD-15, TD-20

  • DT-361, DT-407, DT-414, DT-436, DT-466, DT-530

Power-Unit & Stationary Engines

Used for combines, balers, generators, pumps

  • U-2 Power Unit, U-4 Power Unit, U-6 Power Unit, C-Series Power Units, D-Series Power Units

IH Crawler-Only Engines (TD-Series & Industrial)

  • D-248, D-335, D-461, DT-361, DT-407, DT-429, DT-466, DT-530, BD-154, C-146

Navistar-Era Engines (Post-IH)

Used in late IH tractors & early Case-IH

  • DT-466B, DT-466C, DT-530E, DVT-573B, V-800

Why Choose FP Smith for International Harvester Engine Parts?

  • Physical Stocking: Large inventory of IH engine components ready to ship.
  • Expert Knowledge: Decades of experience with IH gasoline, gas-start diesel, and classic diesel engines.
  • Rebuild Services: In-house engine rebuilding and component support available.
  • Fast Shipping: Same-day shipping on orders placed before 3 PM PST + worldwide export.

International Harvester Engine Components

  • Pistons, Rings & Liners — Complete piston and liner kits
  • Engine Bearings — Main, rod, and camshaft bearings
  • Gaskets & Seals — Full engine overhaul gasket sets
  • Crankshafts & Camshafts — Rotating assemblies and components

International Harvester Fuel System Parts

  • Fuel Injection Pumps — New and remanufactured pumps
  • Injectors & Nozzles — Replacement injectors and nozzles
  • Fuel System Repair Kits — Complete overhaul kits
  • Fuel Filters & Lines — High-quality filters and related parts

International Harvester Repair Kits & Components

  • Full Engine Rebuild Kits — Complete overhaul kits
  • Head Gasket Kits — Premium head gasket sets
  • Oil & Water Pumps — Replacement pumps and components
  • Starter & Alternator Parts — Electrical components

Browse Full International Harvester Engine Parts Inventory →

Additional Support

  • Technical support and interchange assistance available
  • Core exchange and rebuild services offered
  • Worldwide shipping with expedited options
  • 99.8% positive customer feedback

Same-day shipping on orders placed before 3 PM PST • Expert help available Monday–Friday