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Engine

Engine

Aftermarket Thermo King® Engine Parts for Reefers & APUs

Thermo Engine Supply stocks aftermarket engine overhaul kits, rebuild components, and service parts for Yanmar and Isuzu diesel engines used in Thermo King® transport refrigeration systems. Inventory covers complete overhaul kits plus individual parts, including valves, injectors, filters, and fuel system components, organized by engine model for precise ordering. Same-day shipping on in-stock components. Thermo Engine Supply is not an authorized Thermo King® dealer.

Browse by engine model below or call (800) 966-3105 for part identification assistance.

Overhaul & Rebuild Kits

Complete engine overhaul kits restore diesel engine performance in Thermo King® truck and trailer refrigeration units. Each kit includes gaskets, piston assemblies, rings, bearings, seals, and wear items matched to specific Yanmar or Isuzu engine models. Kits are organized by engine model number with OEM cross-references available.

Yanmar Engine Kits

Thermo Engine Supply carries complete overhaul kits for Yanmar diesel engines used across Thermo King® refrigeration applications. Two-cylinder kits cover the 235 and 249 series engines that power smaller units on straight trucks and trailers, typically rated 8,000 to 14,000 BTU/hr. Three-cylinder kits serve mid-size to large systems rated at 16,000 BTU/hr or higher, including Yanmar 353, 366, 370, 374, 376, 388, and 395. Four-cylinder kits cover 486 series engines found in SL, CR, and TS series units.

Each kit includes a full gasket set, piston and ring assemblies in standard bore and oversizes (+0.25mm, +0.50mm, +1.00mm), main and rod bearing sets in standard and undersize, crankshaft thrust washers, valve train components, front and rear crankshaft seals, torque specifications, and assembly sequence notes. Kits are model-specific due to differences in bore diameter, stroke length, valve configuration, and compression ratio.

Individual components are also stocked for partial rebuilds: injector assemblies, fuel injection pumps, individual valve sets, freeze plug kits, and valve guides. Measure cylinder bore taper and out-of-round before ordering pistons, and confirm final bore size with your machine shop before selecting oversize.

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THRUST WASHER (YANMAR® 376)

Part #: 10-13-845

$17.75

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THRUST WASHER

Part #: 10-13-927

$7.50

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-249FPB

$15.25

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CONNECTING ROD YANMAR® 388

Part #: 10-11-6599

$323.00

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TANK, EXPANSION

Part #: 10-12-1036

$304.50

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FREEZE PLUG SET

Part #: 10-10-486FP

$19.50

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RADIATOR CAP 7 PSI

Part #: 10-11-9632

$49.75

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-374FPH

$3.50

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TUBE - FUEL INJECTION 488

Part #: 10-13-1316

$125.00

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O-RING, INJECTION PUMP

Part #: 10-33-1953

$6.75

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OVERLAY, UNIT PROCESSOR-IV PLUS

Part #: 10-91-9805

$104.75

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CYLINDER HEAD YANMAR® 353

Part #: 10-11-5502

$2,187.30

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WATER SEPARATOR (12 PACK)

Part #: 10-12-6286

$244.75

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WATER SEPARATOR (12 PACK)

Part #: 10-12-7264

$442.75

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AIR FILTER CLEANER

Part #: 10-11-9299

$96.00

ENGINE, OVERHAUL KIT, YANMAR® 388

Part #: 10-10-388

$226.00

ENGINE, OVERHAUL KIT, YANMAR® 249

Part #: 10-10-249

$409.50

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FREEZE PLUG SET

Part #: 10-10-235FP

$6.25

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-353FP

$6.50

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-366FPH

$3.50

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OIL FILTER, DUAL (12 PACK)

Part #: 10-12-9182AM

$202.00

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OIL FILTER, C-201/2.2 DI (12 PACK)

Part #: 10-12-9099

$230.75

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OIL FILTER, BYPASS

Part #: 10-11-9321AM

$11.00

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TUBE - FUEL INJECTION 488

Part #: 10-13-1310

$125.00

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TUBE - FUEL INJECTION 488

Part #: 10-13-1317

$125.00

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FUEL FILTER, SPIN ON (12 PACK)

Part #: 10-12-9341AM

$118.50

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-259

$17.75

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FUEL FILTER, PRIMARY

Part #: 10-11-9102

$9.50

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FILTER FUEL EMI3000 S-700/S610

Part #: 10-11-9967

$69.75

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OIL FILTER, APU

Part #: 10-11-6182TP

$10.50

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OIL FILTER ELEMENT 3000 HR

Part #: 10-11-9959

$49.75

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OIL FILTER, BYPASS (12 PACK)

Part #: 10-12-9101

$106.00

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FUEL FILTER, PRIMARY (12 PACK)

Part #: 10-12-9102

$91.25

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CYLINDER HEAD YANMAR® 388

Part #: 10-12-525

$2,394.40

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FILTER FUEL EMI3000 S-700/S610

Part #: 10-11-9969

$113.00

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FUEL FILTER ELEMENT 3000 HR

Part #: 10-11-9965

$41.90

FUEL FILTER 5 MICRON, PACK OF 12

Part #: 10-12-9954AM

$157.00

PISTON ASSEMBLY 0.50 WITH RINGS YANMAR® 388

Part #: 10-11-7027

$111.00

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-366FPB

$12.50

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-388FPB

$12.50

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AIR FILTER ELEMENT 3000 HR

Part #: 10-11-9955

$50.50

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RADIATOR CAP 15PSI, T/C&S

Part #: 10-13-990

$50.70

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FUEL FILTER 5 MICRON

Part #: 10-11-9954

$33.25

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DIPSTICK, SB SERIES

Part #: 10-11-8667

$54.75

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NOZZLE, 486V ENGINE TIER 2

Part #: 10-13-370

$155.50

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-388FPH

$3.50

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FREEZE PLUG SET, YANMAR® 376

Part #: 10-10-376FP

$16.00

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-395FPB

$14.00

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-374FPB

$12.75

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FREEZE PLUG SET, YANMAR® 370

Part #: 10-10-370FP

$17.75

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-276

$12.50

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-258

$18.50

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PUSH ROD

Part #: 10-11-8945

$13.00

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TUBE PUMP TO RAIL, S-SERIES

Part #: 10-13-1329

$114.00

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TUBE - FUEL INJECTION 488

Part #: 10-13-1315

$125.00

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NOZZLE, INJECTOR

Part #: 10-11-5052

$112.00

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ENGINE, OVERHAUL KIT, YANMAR® 486V

Part #: 10-10-486V

$668.50

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FREEZE PLUG SET, ENGINE BLOCK

Part #: 10-10-275

$14.75

ENGINE OVERHAUL KIT YANMAR® 366

Part #: 10-10-366

$252.25

ENGINE, OVERHAUL KIT, YANMAR® 395

Part #: 10-10-395

$425.75

ENGINE, OVERHAUL KIT, YANMAR® 370

Part #: 10-10-370

$999.00

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CYLINDER HEAD YANMAR® 366

Part #: 10-11-6037

$2,716.65

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OIL FILTER, C-201

Part #: 10-11-9099

$20.75

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OIL FILTER, YANMAR® (12 PACK)

Part #: 10-12-6182

$124.50

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OIL FILTER, BYPASS (12 PACK)

Part #: 10-12-6228

$99.00

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OIL FILTER, DUAL LUBE (12 PACK)

Part #: 10-12-7382

$195.00

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FUEL FILTER, PRIMARY (12 PACK)

Part #: 10-12-9097

$140.00

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FUEL FILTER WATER SEPARATOR

Part #: 10-11-9342S

$18.50

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ENGINE, OVERHAUL KIT, YANMAR® 486

Part #: 10-10-486

$392.50

ENGINE OVERHAUL KIT, YANMAR® 374

Part #: 10-10-374

$456.00

ENGINE, OVERHAUL KIT, YANMAR® 235

Part #: 10-10-235

$437.25

ENGINE, OVERHAUL KIT, YANMAR® 353

Part #: 10-10-353

$371.50

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FREEZE PLUG SET, ENGINE HEAD

Part #: 10-10-395FPH

$4.50

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HOSE, OIL DRAIN 28" YANMAR®

Part #: 10-11-6177

$30.25

ENGINE, OVERHAUL KIT, YANMAR® C201 WITHOUT GASKETS

Part #: 10-10-271

$360.25

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OIL FILTER, BYPASS (12 PACK)

Part #: 10-12-9321AM

$124.75

ENGINE, OVERHAUL KIT, YANMAR® 376

Part #: 10-10-376

$955.00

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INJECTOR ASSEMBLY 488CR

Part #: 10-10-509

$899.00

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COUPLING, DRAIN PLUG

Part #: 10-13-1063

$108.25

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O-RING, FUEL PUMP

Part #: 10-33-5171

$7.75

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AIR FILTER ELEMENT (12 PACK)

Part #: 10-12-9955AM

$406.00

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AIR FILTER, DRY (9 PACK)

Part #: 10-12-7400

$193.00

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FUEL FILTER, SPIN ON

Part #: 10-11-9341AM

$10.50

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FUEL FILTER (12 PACK)

Part #: 10-12-6285

$406.00

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FUEL FILTER 5 MICRON

Part #: 10-11-9954AM

$13.50

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FUEL FILTER WATER SEPARATOR (12 PACK)

Part #: 10-12-9342S

$200.25

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FUEL FILTER, SECONDARY (12 PACK)

Part #: 10-12-9098

$170.00

FUEL INJECTION PUMP, 488

Part #: 10-10-565

$1,948.75

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AIR FILTER ELEMENT (12 PACK)

Part #: 10-12-9300B

$330.00

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GUIDE, VALVE YANMAR® 370

Part #: 10-13-556

$38.25

CRANKSHAFT, 366

Part #: 10-11-6064

$999.00

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FUEL CAP, LOCKING (ALUMINUM)

Part #: 10-11-7984L

$52.75

AIR FILTER ELEMENT (20 PACK)

Part #: 10-12-7234

$304.00

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WATER SEPARATOR

Part #: 10-11-6286

$25.25

THRUST WASHER

Part #: 10-11-8916

$16.75

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BUSHING, CAMSHAFT (YANMAR® 370/376)

Part #: 10-13-843

$28.75

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CYLINDER LINER

Part #: 10-11-6874

$86.50

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CYLINDER LINER

Part #: 10-11-8919

$128.75

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BUSHING, CAMSHAFT

Part #: 10-13-926

$18.50

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ROCKER ARM

Part #: 10-11-8940

$30.25

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PISTON RING SET, STANDARD (YANMAR® 486V)

Part #: 10-13-355

$62.00

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PISTON RING SET, 0.25 YANMAR® 370

Part #: 10-13-572

$92.25

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PISTON ASSEMBLY, 0.25 WITH RINGS YANMAR® 370

Part #: 10-13-571

$237.75

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(NSI) PISTON RING SET 0.25 MM YANMAR® 388

Part #: 10-11-6603

$52.75

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PISTON RING SET, 0.25 376

Part #: 10-11-9678

$80.50

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PISTON ASSEMBLY, 0.50 WITH RINGS YANMAR® 395

Part #: 10-11-9936

$83.50

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PISTON ASSEMBLY, STANDARD WITH RINGS YANMAR® 370

Part #: 10-13-566

$237.75

PISTON YANMAR® 482, STANDARD

Part #: 10-11-9043

$161.75

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FUEL FILTER, PRIMARY

Part #: 10-11-9097

$12.00

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BUSHING, CONNECTING ROD (YANMAR® 370/376)

Part #: 10-13-413

$11.00

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ENGINE O/H KIT 2.2 DI W/O OIL PUMP

Part #: 10-10-2.2 D.I.

$409.25

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THRUST WASHER (YANMAR® 370)

Part #: 10-13-553

$16.75

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PISTON RING SET, STANDARD

Part #: 10-11-8078

$21.50

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CYLINDER LINER

Part #: 10-11-8845

$114.25

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THRUST WASHER SET (2 HALVES)

Part #: 10-11-3404

$7.50

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DIPSTICK, OIL, C&S UNITS

Part #: 10-13-1270

$54.75

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PISTON YANMAR® 482, 0.25 WITH RINGS

Part #: 10-11-9044

$161.75

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HOSE, COOLANT TANK OUTLET

Part #: 10-13-1468

$66.75

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AIR FILTER ELEMENT

Part #: 10-11-9955AM

$34.75

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MAIN BRNG, 0.25

Part #: 10-11-5369

$46.00

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MAIN BEARING, STANDARD

Part #: 10-11-5003

$24.00

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BEARING, MAIN STANDARD (YANMAR® 370/376)

Part #: 10-13-844

$64.00

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BEARING, MAIN 0.25 (YANMAR® 370/376)

Part #: 10-13-846

$64.00

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MAIN BEARING, 0.25

Part #: 10-13-921

$16.25

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MAIN BRNG, 0.25

Part #: 10-11-5366

$46.00

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MAIN BEARING, STANDARD.,

Part #: 10-11-5007

$24.00

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BEARING, CONNECTING ROD 0.25

Part #: 10-13-925

$14.00

WATER PUMP, YANMAR® 486

Part #: 10-13-2572

$162.00