Overhaul Kits

Cummins B3.3 QSB3.3 Overhaul Rebuild Kit with Genuine Gaskets & Liners

Get your Cummins B3.3 or QSB3.3 back online faster—with zero compromise on durability or fit. This genuine Cummins B3.3 rebuild kit with liners delivers OEM-level reliability at a fraction of the cost and lead time, eliminating the downtime and guesswork that come with mismatched or counterfeit parts. Includes semi-finished cylinder liners—critical for proper deck height and ring seal, not just generic “oversize” liners Full set: pistons (std), piston pins, snap rings, rod bushings, main & con rod bearings, thrust washer, intake/exhaust valves, guides, and seats All gaskets are genuine-spec, pre-matched to B3.3/QSB3.3 combustion chamber geometry and torque specs Piston part number 4944477 confirmed—no cross-reference risk when ordering against your service manual

Kubota V3307 V3307T Engine Overhaul Rebuild Kit with Genuine Gaskets & Pistons

Get your Kubota V3307 or V3307T back online faster—with full engine reliability restored after a single overhaul. No more guessing on part compatibility or risking downtime from mismatched gaskets or undersized pistons. Genuine-spec gasket set included—pre-matched to Kubota’s original torque specs and surface finish requirements Features standard-size cast-iron pistons with OEM-equivalent ring groove dimensions (1.2mm–1.5mm–3.0mm), critical for proper ring seal in high-mileage V3307T blocks Complete bearing coverage: main, rod, and thrust washers—all pre-selected for V3307T’s unique crankshaft journal tolerances Valve train components (intake/exhaust valves, guides, and seats) are heat-treated to 60 HRC minimum—essential for sustained DI-engine combustion temps

Overhaul Kit for Kohler CH18–CH641 Engines – Piston Rings, Gaskets & Seals

Get your Kohler CH18–CH641 back online fast—no more downtime waiting for OEM kits or risking counterfeit gaskets that blow out after 50 hours. This Kohler engine overhaul kit delivers OEM-equivalent reliability with every seal, ring, and gasket precision-matched to the original service specs—including the often-overlooked oil control ring groove depth tolerance (±0.002") critical for CH-series cylinder sealing. Replaces part number 24-108-22-S — verified fit for CH18, CH20, CH22, CH620–CH641, CV18–CV22, and all cross-referenced variants Includes full set: piston rings (top/compression, wiper, oil), head gasket, base gasket, valve cover gasket, carburetor gasket, and all critical seals Ships same day from our Guangzhou warehouse — no minimum order, no wait for batch production Backed by 6-month warranty against material or workmanship defects — we stand behind every ring and gasket

Overhaul Rebuild Kit for Kubota V2203 Engine – Includes Semi-Finished Liners

Get your Kubota V2203-powered machine back online faster—without OEM delays or inflated pricing. This Kubota V2203 overhaul kit delivers full-cylinder restoration with semi-finished liners that allow for precise on-site honing to match your block’s exact bore geometry, a critical detail pros rely on for optimal ring seal and longevity. Complete rebuild coverage for V2203 engines across Kubota excavators (KX121-2/KX161-2), tractors (L4350DT, MX5100), and Bobcat loaders (763, S175, 773G, etc.) Includes 4 semi-finished cylinder liners—ready for final honing to your measured bore size, not pre-sized and rigid like OE kits Every sealing surface, bearing set, and valve component is included—no last-minute part chasing or mismatched gaskets Ships from our Guangzhou warehouse in 2–5 working days, MOQ just 1 piece

V3307 Engine Overhaul Kit with Crankshaft & 4 Rods for Kubota KX080-3/4

Get your Kubota KX080-3/4 or Bobcat T650 back online faster with a complete, drop-in V3307 engine overhaul kit that eliminates guesswork and costly delays. Every component is pre-matched to OEM specs — including the critical alloy crankshaft and 4 precision-balanced connecting rods — so you avoid mismatched parts that cause vibration or premature failure. Fits V3307, V3307-DI, and Tier 4-compliant variants (V3307-CR-TE4-SL2-Q) — no cross-referencing headaches Includes semi-finished cylinder liners (not rough castings), saving hours of machining prep time All bearings, gaskets, valves, and rings are standard-size — ready for factory-spec reassembly Ships from Guangzhou warehouse in 2–5 working days, MOQ just 1 set

Kubota D902 Engine Rebuild Kit with New Crankshaft & 3 Rods

Get your Kubota D902 back online faster with reliable, OEM-matched performance — no more downtime waiting for overpriced or counterfeit kits. This Kubota D902 rebuild kit includes a brand-new crankshaft and three precision-balanced connecting rods — critical for restoring compression and preventing harmonic imbalance that causes premature bearing wear. Full standard overhaul kit: gaskets, pistons, rings, valves, bearings, thrust washers, and valve guides — all pre-sorted and matched to factory specs Fits not just tractors (BX2360, BX25) but also RTV900 utility vehicles, KX018-4 excavators, and GL-series generators — one kit covers your entire D902 fleet New crankshaft is ground to original journal dimensions with proper fillet radius and nitrided surface finish — essential for fatigue resistance under high-load cycles MOQ is just 1 piece, shipped from Guangzhou warehouse in 2–5 working days — ideal when you need it yesterday