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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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MAIN BEARING, 0.50 (1 ENGINE)

Part #: 10-11-4787

$50.75

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MAIN BEARING, 0.25 (1 ENGINE)

Part #: 10-11-5807

$46.00

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CONNECTING ROD BEARING, 0.50 (1 ENGINE)

Part #: 10-11-5746

$30.75

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MAIN BEARING, 0.25 (1 ENGINE)

Part #: 10-11-4786

$49.50

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MAIN BEARING, STANDARD (1 ENGINE)

Part #: 10-11-5806

$46.00

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CONNECTING ROD BEARING, STANDARD (1 ENGINE)

Part #: 10-11-5744

$30.25

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CONNECTING ROD BEARING, STANDARD (1 ENGINE)

Part #: 10-11-5826

$40.25

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CONNECTING ROD BEARING, 0.25 (1 ENGINE)

Part #: 10-11-5745

$30.25

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MAIN BRNG, 0.25

Part #: 10-11-5369

$46.00

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MAIN BRNG, 0.25

Part #: 10-11-5368

$46.00

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MAIN BEARING, STANDARD (1 ENGINE)

Part #: 10-11-4785

$49.50

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CONNECTING ROD BEARING, 0.25 (1 ENGINE)

Part #: 10-11-5827

$40.25

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MAIN BEARING, 0.50 (1 ENGINE)

Part #: 10-11-5808

$46.00

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CONNECTING ROD BEARING, 0.75 (1 ENGINE)

Part #: 10-11-5829

$40.25

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MAIN BEARING, 0.75 (1 ENGINE)

Part #: 10-11-5809

$47.00

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MAIN BRNG, 0.25

Part #: 10-11-5366

$46.00

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THRUST BEARING (2 HALVES)

Part #: 10-11-5811

$6.25

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MAIN BEARING SET, 0.25

Part #: 10-11-5246

$72.50

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MAIN BEARING, 0.25

Part #: 10-13-921

$16.25

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BEARING, CONNECTING ROD 0.25

Part #: 10-11-8957

$14.00

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MAIN BEARING SET, STANDARD

Part #: 10-11-5245

$72.50

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MAIN BEARING, 0.25

Part #: 10-11-8917

$16.25

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MAIN BEARING, 0.25

Part #: 10-11-5367

$24.25

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MAIN BEARING, 0.25

Part #: 10-11-6560

$23.25

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THRUST BEARING (2 HALVES)

Part #: 10-11-6028

$8.25

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CONNECTING ROD BEARING, 0.25

Part #: 10-11-6608

$12.75

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CONNECTING ROD BEARING, 0.25

Part #: 10-11-6079

$12.25

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CONNECTING ROD BEARING, 0.25

Part #: 10-11-5195

$15.00

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BEARING, CONNECTING ROD STANDARD (8954)

Part #: 10-13-924

$14.00

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BEARING SET, CAMSHAFT

Part #: 10-11-5785

$15.00

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MAIN BEARING, STANDARD

Part #: 10-11-5003

$24.00

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BEARING, CONNECTING ROD 0.25

Part #: 10-13-925

$14.00

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BEARING, CONNECTING ROD 0.25 (YANMAR^® 370)

Part #: 10-13-852

$39.25

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THRUST BEARING (2 HALVES)

Part #: 10-11-6558

$7.25

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BEARING, ROLLER, FRONT MAIN

Part #: 10-11-5481

$12.75

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BEARING, CONNECTING ROD 0.25 (YANMAR^® 376)

Part #: 10-13-923

$28.75

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MAIN BEARING, STANDARD, REAR

Part #: 10-11-5006

$24.00

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MAIN BEARING, STANDARD

Part #: 10-11-5182

$42.50

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MAIN BEARING, 0.25

Part #: 10-11-6027

$17.25

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MAIN BEARING, STANDARD

Part #: 10-13-920

$16.25

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MAIN BEARING, STANDARD

Part #: 10-11-6026

$17.25

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BEARING, CONNECTING ROD STANDARD (YANMAR^® 370)

Part #: 10-13-851

$39.25

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CONNECTING ROD BEARING, STANDARD

Part #: 10-11-5043

$15.00

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MAIN BEARING, STANDARD

Part #: 10-11-6557

$23.25

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MAIN BEARING, STANDARD.,

Part #: 10-11-5007

$24.00

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BEARING, CONNECTING ROD STANDARD (YANMAR^® 376)

Part #: 10-13-922

$28.75

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BEARING SET, CAMSHAFT, STANDARD

Part #: 10-11-3845

$14.00

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CONNECTING ROD BEARING, STANDARD

Part #: 10-11-6607

$12.75

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BEARING, MAIN 0.25 (YANMAR^® 370/376)

Part #: 10-13-846

$64.00

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BEARING, MAIN STANDARD (YANMAR^® 370/376)

Part #: 10-13-844

$64.00

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CONNECTING ROD BEARING, STANDARD

Part #: 10-11-6077

$12.25

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BEARING, CAMSHAFT

Part #: 10-11-5484

$8.25

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BEARING, CAMSHAFT, BALL

Part #: 10-11-5028

$12.75

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BUSHING, CONNECTING ROD (4 PACK)

Part #: 10-11-5825

$18.75

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BUSHING, CONNECTING ROD (4 PACK)

Part #: 10-11-3418

$16.75

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BUSHING, CAMSHAFT

Part #: 10-13-926

$18.50

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BUSHING, CONNECTING ROD

Part #: 10-11-6078

$12.25

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BUSHING, CONNECTING ROD

Part #: 10-11-5459

$7.75

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BUSHING, CONNECTING ROD

Part #: 10-11-8953

$8.50

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BUSHING, CAMSHAFT

Part #: 10-11-6680

$18.50

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BUSHING, CONNECTING ROD (YANMAR^® 370/376)

Part #: 10-13-413

$11.00

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BUSHING, CAMSHAFT

Part #: 10-11-6976

$10.75

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BUSHING, CAMSHAFT

Part #: 10-11-6033

$7.50

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BUSHING, WRIST PIN

Part #: 10-11-6606

$11.50

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BUSHING, CAMSHAFT (YANMAR^® 370/376)

Part #: 10-13-843

$28.75

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CAP, WITH GASKET

Part #: 10-66-3015

$23.25

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CONNECTING ROD

Part #: 10-11-8952

$444.00

Out of Stock

CONNECTING ROD 366/374

Part #: 10-11-6075

$0.03

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CONNECTING ROD YANMAR^® 388

Part #: 10-11-6599

$323.00

Out of Stock

CRANKSHAFT, 366

Part #: 10-11-6064

$999.00

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CRANKSHAFT, 2.2 DI

Part #: 10-11-9558

$1,175.00

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CRANKSHAFT, 374

Part #: 10-12-707

$2,371.30

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CRANKSHAFT, YANMAR^® 353

Part #: 10-11-5503

$836.50

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CRANKSHAFT, YANMAR^® 388

Part #: 10-12-526

$1,325.00

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COOLANT OUTLET ASSEMBLY, HIGH PRESSURE

Part #: 10-44-9408

$43.75

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CYLINDER HEAD YANMAR^® 388

Part #: 10-12-525

$2,394.40

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CYLINDER HEAD YANMAR^® 353

Part #: 10-11-5502

$2,187.30

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CYLINDER HEAD YANMAR^® 366

Part #: 10-11-6037

$2,716.65

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CYLINDER LINER

Part #: 10-11-7081

$65.75

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CYLINDER LINER

Part #: 10-11-8845

$114.25

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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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SPEEDI-SLEEVE, YANMAR^® 486

Part #: 10-11-9592

$52.75

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SPEEDI-SLEEVE

Part #: 10-11-5967

$41.25

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SPEEDI-SLEEVE, C-201, FAN

Part #: 10-11-6845

$37.00

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SPEEDI-SLEEVE, 1", FAN SHAFT

Part #: 10-11-6863

$29.75

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SPEED CONTROL ROD

Part #: 10-11-8711

$2.75

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WATER SEPARATOR (12 PACK)

Part #: 10-12-7264

$442.75

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WATER SEPARATOR (12 PACK)

Part #: 10-12-6286

$244.75

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WATER SEPARATOR

Part #: 10-11-7264

$40.25

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WATER SEPARATOR

Part #: 10-11-6286

$25.25

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DIPSTICK, OIL, C&S UNITS

Part #: 10-13-1270

$54.75

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DIPSTICK, SB SERIES

Part #: 10-11-8667

$54.75

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DIPSTICK, OIL

Part #: 10-11-7486

$7.00

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COUPLING, DRAIN PLUG

Part #: 10-13-1063

$108.25

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TANK, EXPANSION

Part #: 10-12-1036

$304.50

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AIR FILTER ELEMENT (12 PACK)

Part #: 10-12-9300B

$330.00

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AIR FILTER, DRY (9 PACK)

Part #: 10-12-7400

$193.00

Out of Stock

AIR FILTER ELEMENT (20 PACK)

Part #: 10-12-7234

$304.00

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AIR FILTER ELEMENT

Part #: 10-11-9955AM

$34.75

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AIR FILTER ELEMENT (12 PACK)

Part #: 10-12-9955AM

$406.00

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AIR FILTER ELEMENT 3000 HR

Part #: 10-11-9955

$50.50

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AIR FILTER ELEMENT

Part #: 10-11-9300B

$28.25

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AIR FILTER (3.74/3.95)

Part #: 10-11-9059

$15.25

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AIR FILTER, DRY

Part #: 10-11-7400

$22.00

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AIR FILTER EMI3000

Part #: 10-11-9300

$68.25

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AIR FILTER ELEMENT

Part #: 10-11-7234

$16.00

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AIR FILTER CLEANER

Part #: 10-11-9299

$96.00

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FILTER, AIR, AUXILIARY POWER UNIT

Part #: 10-92-5701

$8.50

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FILTER, FUEL IN LINE

Part #: 10-13-649

$11.75

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FUEL FILTER, SPIN ON (12 PACK)

Part #: 10-12-9341AM

$118.50

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FUEL FILTER, SPIN ON

Part #: 10-11-9341AM

$10.50

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FUEL FILTER

Part #: 10-11-6285

$41.00

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FILTER FUEL EMI3000 S-700/S610

Part #: 10-11-9967

$69.75

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FUEL FILTER (12 PACK)

Part #: 10-12-6285

$406.00

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FUEL FILTER ELEMENT 3000 HR

Part #: 10-11-9965

$41.90

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FUEL FILTER WATER SEPARATOR (12 PACK)

Part #: 10-12-9342S

$200.25

Out of Stock

FUEL FILTER 5 MICRON, PACK OF 12

Part #: 10-12-9954AM

$157.00

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FUEL FILTER, PRIMARY (12 PACK)

Part #: 10-12-9097

$140.00

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FUEL FILTER 5 MICRON

Part #: 10-11-9954AM

$13.50

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FILTER FUEL EMI3000 S-700/S610

Part #: 10-11-9969

$113.00

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FUEL FILTER, PRIMARY (12 PACK)

Part #: 10-12-9102

$91.25

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FUEL FILTER, SECONDARY (12 PACK)

Part #: 10-12-9098

$170.00

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FUEL FILTER 5 MICRON

Part #: 10-11-9954

$33.25

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FUEL FILTER, APU

Part #: 10-13-864

$17.00

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FUEL FILTER ASSEMBLY EMI3000

Part #: 10-11-9342

$28.00

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FUEL FILTER, SPIN EMI2000

Part #: 10-11-9341

$14.75

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FUEL FILTER WATER SEPARATOR

Part #: 10-11-9342S

$18.50