Overhaul Kits - Heavy Equipment Parts | XUNPO Global Distribution

Kohler CH18–CH641 Engine Overhaul Kit – Scheduled Maintenance

24-108-22-S Overhaul Kit with chrome-faced piston rings and MLS cylinder head gasket — compatible with Kohler CH18–CH641 and CV series engines for scheduled mid-to-late service life maintenance. Replaces worn rings and gaskets when oil consumption rises, compression drops, or blow-by becomes visible — addressing predictable wear before unplanned downtime Kit includes piston rings, cylinder head, valve cover, and oil pan gaskets rated to 180°C continuous service Supports fleet-level overhaul planning for commercial mowers, skid-steer loaders, mini-excavators, and generator sets Replacement interval guidance included with shipment to support your maintenance scheduling.

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V3307 Overhaul Kit Crankshaft & 4 Rods for Kubota KX080-3 – Service Part

V3307 Engine Overhaul Kit with Crankshaft & 4 Rods for Kubota KX080-3, KX080-4, SSV75, Bobcat S630, S650, T650 — complete rotating assembly renewal including crankshaft, 4 connecting rods, semi-finished liners, piston and bearing sets at standard grade. Replacing crankshaft and rods together during mid-to-late service life avoids mismatched tolerances and repeat teardowns caused by partial rebuilds Declining oil pressure, rising blow-by, and bearing knock under load typically signal the need for full overhaul rather than top-end refresh alone Fits V3307, V3307T, V3307-DI, V3307-DI-TE3, V3307-CR-TE4 variants — verify engine serial and prior rebuild history before ordering Overhaul kit contents verified line-by-line against your engine build sheet before dispatch.

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Wear Item Overhaul Kit Compatible with Cummins B3.3 QSB3.3

4944477 Overhaul Kit, STD Grade, Complete Cylinder & Bottom-End Set — compatible with Cummins B3.3 and QSB3.3 engines. Staged replacement at major service intervals prevents unplanned field failures when oil consumption rises, blow-by progresses, or compression loss signals cylinder wear Full matched set avoids partial repairs where worn liners accelerate ring and bearing degradation Pre-positioning kits ahead of predictable overhaul cycles keeps fleet turnaround on schedule Replacement interval guidance included with shipment to support long-term fleet maintenance planning.

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Kubota D902 Engine Rebuild Kit – Overhaul Grade for Fleet Maintenance

Kubota D902 Engine Overhaul Kit with Crankshaft & Rods, Fits BX, RTV, KX and GL Series — mid-life teardown supply bundling 42CrMo crankshaft, fracture-split 40Cr connecting rods, piston rings, and MLS head gaskets in one package. Replacing crankshaft and rods together during a scheduled rebuild prevents repeat teardowns from staggered single-component wear Kits stocked per high-hour unit keep fleet turnaround predictable across compact excavators and utility vehicles Kit contents verified per engine serial variant with replacement interval guidance included on dispatch.

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Overhaul Kit for Kohler CH18–CH641 – Scheduled Maintenance

24-108-22-S Overhaul Kit for Kohler CH18–CH641, Piston Rings + Gaskets + Seals — compatible with CH/CV series engines from CH18 through CH641 and CV18 through CV640. Schedules best at high-hour intervals when blow-by, oil consumption rise, or compression loss appear; full-kit replacement avoids repeated teardowns and secondary damage from single-part fixes NBR seals rated –40°C to +150°C, stainless-core head gasket, ±0.02 mm tolerance across all components Replacement interval guidance included with shipment to support fleet maintenance planning.

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Overhaul Kit for Cummins B3.3 QSB3.3 – Scheduled Maintenance

4944477 Overhaul Kit for Cummins B3.3 / QSB3.3 — complete aftermarket rebuild set including semi-finished liners, standard pistons, tri-metal bearings, MLS gaskets, and valve train components. Supports planned lifecycle maintenance rather than reactive repairs; liners, rings, and bearings wear as a matched system and should renew together at scheduled overhaul intervals Suitable for fleet-level rebuild programs and older engine support where OEM channels face thinning stock Replacement cycle guidance ships with each kit for maintenance planning.

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Scheduled Maintenance Engine Rebuild Kit – Fits Kubota D902

Engine Overhaul Kit compatible with Kubota D902 — includes crankshaft, 3 connecting rods, piston rings, main and rod bearings, and MLS head gasket set. Scheduled rebuild window typically opens around first major service interval; replacing crankshaft and rods together avoids compounding wear on adjacent cylinder components Fits tractors, RTVs, compact excavators and generator sets powered by D902 variants across multiple machine generations Supports lifecycle planning with continued supply for older D902 builds and replacement interval guidance included with each shipment.

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Kubota V2203 Overhaul Kit – Engine Grade Rebuild Set

Overhaul Kit for Kubota V2203, Semi-Finished GGG-40 Liners, MLS Gasket Set — compatible with Kubota KX121-2, KX161-2, L4350DT and Bobcat 753, 763, 773 series compact equipment. Supplied at the major-service inflection point where compression loss and oil consumption signal a full rebuild over component-level patches Semi-finished liners allow bore-matched final honing for machines past their first overhaul cycle Phosphate-coated pistons support controlled break-in across mixed-age fleets Older Kubota and Bobcat models remain fully supported with continued rebuild part availability.

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Overhaul Kit 24-108-22-S for Kohler CH-CV Engines – Service Part

Overhaul Kit 24-108-22-S (cross-reference only) — Piston Rings, Gaskets & Seals for Kohler CH18–CH641 and CV18–CV640 engines. Restores compression and oil control at mid-to-late service life rebuild intervals when blow-by and consumption rise Matched kit contents prevent partial-rebuild failures across rental fleets and remote-site generators Proactive stocking supports predictable overhaul scheduling for contractor and agricultural auxiliary engine fleets Replacement interval guidance and kit content verification included with every shipment.

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Kubota V3307-Compatible Overhaul Rebuild Kit – Fleet Supply

V3307 Engine Overhaul Rebuild Kit for Kubota KX080-3/4, SSV75, Bobcat S630/S650/T650, STD Grade with Crankshaft & Connecting Rods — covers the full engine rebuild scope in one consignment, including pistons, bearings, valves, semi-finished liners, and rotating assembly. Plan major service intervals ahead of failure to avoid emergency freight and secondary bore or bearing damage Standard-grade components suit engines with no prior oversize machining history Replacement interval guidance and fleet maintenance scheduling support included with every shipment.

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Overhaul Rebuild Kit for Cummins B3.3 QSB3.3 – Fleet Supply

4944477 Overhaul Rebuild Kit for Cummins B3.3 / QSB3.3, STD Grade — replacement for engines showing rising oil consumption, blow-by increase, or compression loss at scheduled rebuild intervals. Complete matched set: liners, pistons, rings, bearings, valves, gaskets and seals in one consignment Semi-finished liners and standard-grade components aligned with first-rebuild or original-bore conditions Supports fleet-level maintenance planning for excavators, gensets, telehandlers and material handlers Rebuild interval guidance and parts availability for aging B3.3 platforms included with shipment.

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Overhaul Rebuild Kit for Kubota V3307 V3307T – Scheduled Maintenance

Maintenance schedule recommendations ship with each kit to support long-term overhaul planning across your Kubota-powered fleet.

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