Camshaft Components - Heavy Equipment Parts

Camshaft Gear 3946436 for Cummins & Hyundai – Fleet Supply

Camshaft Gear 3946436 (cross-reference only), forged steel, phosphate coated — replacement for Cummins 4B3.9, 6B5.9, QSB5.9 and Hyundai HL757-7, HL757TM-7 loaders. Watch for timing drift or gear mesh noise on QSB series engines; mid-life overhauls are the typical replacement window Evaluate mating crankshaft gear and camshaft bearings at each change to prevent cascading valvetrain wear Suggested replacement intervals included with shipment to support fleet maintenance planning.

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GM V6-Compatible Camshaft Holding Tool Kit – Fleet Supply

EN-48383, EN-46105 Camshaft Holding Tool Kit, high-strength hardened steel — supports timing service on GM V6 platforms including LP1, HFV6, and 2.8L–3.6L variants for construction, generator, and auxiliary power units. Aligns with scheduled timing chain and belt intervals to prevent unplanned fleet downtime Inspect jaw flatness and anti-rotation pins regularly; replace the tool when engagement drift appears Legacy V6 platforms remain supported even as OEM tool supply thins Replacement interval guidance ships with every order to support your maintenance planning cycle.

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Camshaft Bearing Set for Hitachi ZX240-3–350L-3 – Service Part

8973861890, 8-97386189-0, 8-97386-189-0, 8973569390, 8-97356939-0, 8-97356-939-0, 8973861891, 8976026990, 8-97386189-1, 8-97386-189-1, 8-97602699-0, 8-97602-699-0, 8943903110, 8943903111, 8-94390311-0, 8-94390-311-0, 8-94390311-1, 8-94390-311-1 Camshaft Bearing Set — replacement for Isuzu 4HK1/6HK1 and compatible with Hitachi ZX240-3 through ZX350L-3 excavators. Precision-ground bearing surfaces with Ra ≤ 0.2 μm finish and HRC 58–62 hardness for sustained high-load operation Oil clearance range 0.03–0.05 mm maintains stable valve timing under continuous high-throttle conditions Wear typically surfaces as oil pressure decline or timing chain noise during scheduled oil sampling — replacing shells at top-end overhaul avoids full camshaft assembly exchange when bore dimensions remain within tolerance. Recommended replacement intervals and fleet stocking guidance included with each consignment to support aging ZX-3 and 4HK1/6HK1 platforms.

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Camshaft Gear 3946436 for Cummins & Hyundai HL757-7 – Service Part

Camshaft Gear 3946436, SAE 1045 Forged Steel — replacement for Cummins 4B3.9 through QSB5.9 and Hyundai HL757-7, HL757TM-7, 100D-7, 120D-7, 135D-7, 160D-7 wheel loaders. Inspect timing gear tooth surfaces at each major service interval; pitting and backlash drift signal the need for replacement before cascading valve train damage occurs. Plan gear swap alongside timing case bearings and related seals to avoid mismatched wear and reduce engine-out time during overhaul. Black oxide treated, induction-hardened tooth surfaces support extended duty cycles in quarry and port loading applications. Replacement interval guidance included with every shipment to support your fleet maintenance schedule.

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Camshaft Holding Tool Kit for GM 2.8L-3.6L V6 – Service Part

EN-48383, EN-46105 Camshaft Holding Tool Kit for GM 2.8L-3.6L V6 — hardened alloy steel construction with zinc-nickel plating for repeated use in professional engine rebuild environments. Secures camshafts during timing chain service on LP1 and HFV6 V6 engines, aligning with major overhaul milestones in fleet maintenance programs Single kit covers multiple GM V6 variants across Buick, Cadillac, Chevrolet, GMC, and other platforms in mixed fleets Supports planned turnaround schedules for rental companies and heavy-duty workshops standardizing tooling Replacement cycle guidance and compatibility sheet included with every shipment.

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Camshaft Bearing Set 4HK1 6HK1 | Overhaul Grade for Hitachi ZX240-3

8973861890 Camshaft Bearing Set, High-Carbon Steel — replacement for Isuzu 4HK1 / 6HK1 engines powering Hitachi ZX240-3 through ZX350L-3 excavators. Oil pressure drop or abnormal camshaft noise signals the planned replacement window; swapping bearings during a scheduled overhaul avoids unplanned teardowns and cascading valvetrain damage. Replacement interval recommendations ship with every order to support fleet maintenance planning.

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Camshaft Gear 3946436 for Cummins Hyundai HL757-7 – Service Part

Camshaft Gear 3946436, 40Cr Alloy Steel, Zinc-Nickel Plated — replacement for Cummins 4B3.9/6B5.9 engines and Hyundai HL757-7 wheel loaders. Inspect for pitting or timing drift during scheduled service intervals; replacing the full timing set with the camshaft gear avoids repeat downtime and secondary wear. Zinc-nickel finish provides corrosion resistance in port and marine environments. Fleet-level planned maintenance supported with replacement interval guidance shipped alongside your order.

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Camshaft Phaser Timing Chain Tool Set 10200A 10202 10369A – Fleet Supply

10200A 10202 10369A Timing Tool Set, 6-Piece — precision-machined from high-tensile alloy steel with black oxide coating, compatible with 3.6L V6 engines across Dodge, Jeep, Chrysler and VW models. Timing chain service on the 3.6L V6 is a predictable maintenance event — wedge tools, phaser holders and alignment pins wear with repeated use. Stocking this set ahead of scheduled intervals prevents unplanned downtime when vehicles hit service mileage, supporting aging fleet units past thinning dealer tool availability. Replacement cycle recommendations ship with every order to support long-term fleet maintenance planning.

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Camshaft Bearing Set for Hitachi ZX240-3 ZX330-3 – Fleet Supply

8973861890 Camshaft Bearing Set for Isuzu 4HK1 and 6HK1 engines powering Hitachi ZX-series excavators, covering ZX240-3 through ZX350LC-6N. Valvetrain noise and timing drift often signal camshaft bearing wear — plan replacement alongside main bearings, con rod bearings, and thrust washers at major overhaul intervals Engines with previous rebuilds may require journal inspection before selecting standard or undersize sizes Compatible with aging ZX240-3 and ZX330-3 machines where brand-level support has thinned Replacement cycle guidance ships with every order to support your fleet maintenance schedule.

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Camshaft Gear 3946436 for Cummins & Hyundai – Fleet Supply

Camshaft Gear 3946436 replacement for Cummins 4B3.9/6B5.9 and Hyundai HL757-7 loaders, heat-treated high-grade steel construction for sustained high-torque timing system operation. Inspect for tooth surface pitting, timing drift, or abnormal valve train noise during scheduled service windows — planned replacement protects valves, pistons, and the full top end from cascading damage Evaluate adjacent mating gears and bearing condition simultaneously to determine whether single-component swap or full timing system overhaul is warranted Replacement cycle recommendations included with shipment to support your fleet maintenance planning

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Camshaft Holding Tool Kit EN-48383 EN-46105 – Fleet Supply

Camshaft Holding Tool Kit EN-48383 EN-46105 — covers 2.8L, 3.0L, 3.6L V6 engine families for scheduled timing system service. Supports LP1, HFV6, Z28NET and related variants across GM V6 platforms Hardened steel construction holds alignment during timing chain and valve work Pre-positioned before overhaul windows to prevent improvised locking methods Replacement cycle recommendations ship with each order for fleet planning.

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Camshaft Bearing Replacement for Hitachi ZX240-3 Long-Life

8973861890 Camshaft Bearing Set for Isuzu 4HK1 / 6HK1 Engines — replacement for Hitachi ZX200-3 through ZX500W excavators. Planned replacement during top-end service prevents cascading valvetrain damage Typical triggers: low oil pressure, elevated valvetrain noise, visible journal scoring Supports aging ZAXIS-3 and ZAXIS-5 fleet lifecycle extension beyond OEM emphasis Maintenance interval guidance and quality inspection records ship with every consignment.

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