46 Products Available

Block & Internal Parts

Quality aftermarket parts for CAT, Komatsu, Hitachi, Volvo, Hyundai & more. MOQ 1 piece -- ships in 2-5 days.

Showing 1-12 of 46 products

MOQ 1 Piece Ships 2-5 Days

STD Connecting Rod Bearings 15531-22310 for Kubota D722–EA300 Engines

Stop downtime from worn rod bearings — get OEM-equivalent reliability and precise fit for your Kubota D722 or EA300 engine with this STD Connecting Rod Bearing 15531-22310. Designed to restore factory-spec oil clearance and crankshaft support, it eliminates the guesswork and costly rework caused by inconsistent aftermarket tolerances. Direct replacement for 15531-22310, 15261-22310, and 15694-22310 — no machining or fitting needed Fits all major Kubota applications: B1550D tractors, KH-35 excavators, GL-6500S generators, and more — verified against actual service manuals STD (standard) undersize means it’s built to original journal diameter — critical for engines with unmodified crankshafts Pre-tested for crush height and eccentricity to prevent bearing spin or oil starvation under load

In Stock · MOQ 1 pc

STD connecting rod for Komatsu 3D82 & Yanmar 3TN82E engines – OEM-equivalent replacement

Stop unexpected downtime and costly engine rebuilds — this STD connecting rod for Komatsu 3D82 & Yanmar 3TN82E engines delivers OEM-equivalent strength and precision fit right out of the box. Built to exact factory specs with hardened 40Cr steel and precisely balanced big-end bore geometry, it eliminates the risk of crankshaft scoring or bearing failure common with off-spec rods. Direct-fit replacement for Komatsu 3D82, 3D82AE and Yanmar 3TN82E, 3TNV82A, 3TNE82 — no machining or adjustments needed Each rod is individually weight-matched to ±1g tolerance — critical for smooth high-RPM operation in compact industrial engines Pre-tested for tensile strength (≥980 MPa) and fatigue resistance — backed by our 6-month warranty against manufacturing defects Ships same day from Guangzhou warehouse — no waiting weeks for OEM backorders or counterfeit risks

In Stock · MOQ 1 pc

Camshaft Gear 3946436 for Cummins 4B3.9–QSB5.9 & Hyundai HL757-7 – Direct Replacement

Stop unexpected downtime and timing-related failures on your Cummins QSB5.9 or Hyundai HL757-7 — this camshaft gear 3946436 delivers OEM-equivalent precision with strict ISO-factory tolerances, so your engine stays in sync, cycle after cycle. Fits Cummins engines including QSB3.9/4.5/5.9 (30 CM550), ISB CM2150/CM550, 4B3.9, 6B5.9, G8.3 — plus Hyundai HL757-7, HL757TM-7, and D-series forklifts (100D-7 to 160D-7) Direct replacement for part numbers 3946436, J946436, K3946436 — no machining or fitment adjustments needed Hardened 20CrMnTi alloy steel with nitrided tooth surface — critical for resisting micro-pitting under high-torque cam drive loads Ships from Guangzhou warehouse in 2–5 working days, MOQ just 1 piece — no waiting weeks for urgent repairs

In Stock · MOQ 1 pc

Connecting Rod 17311-22014 for Kubota D1703/V2203 Engines – Direct Replacement

Stop downtime and costly engine rebuilds — this Kubota connecting rod delivers OEM-equivalent strength and precision fit for your D1703/V2203 engine, so you get reliable performance without the OEM price tag. Fits 12+ Kubota engine variants — including D1403M, V2003, and V2203 — with certified dimensional accuracy to original factory specs (critical: bore diameter tolerance ±0.005mm) Direct replacement for 17311-22014 and 7 cross-reference numbers — no guesswork when ordering for KX121-3, U35, or L2950F applications Pre-tested for tensile yield strength ≥980 MPa — engineered to handle high-load cycles in excavators and tractors without premature fatigue Ships same-day from our Guangzhou warehouse — no waiting weeks for backordered OEM parts

In Stock · MOQ 1 pc

Exhaust Camshaft 24200-2E074/24200-2E084 for Hyundai/Kia 2.0L L4 Engines

Stop losing uptime to camshaft-related misfires, rough idling, or failed emissions tests — this exhaust camshaft delivers OEM-matched timing accuracy and lift profile for seamless integration with your Hyundai/Kia 2.0L L4’s variable valve timing (VVT) system. Built to the exact hardness spec (HRC 58–62) and journal finish Ra ≤ 0.4 μm required for quiet, long-life operation with hydraulic lash adjusters. Fits 2019–2024 Kia Seltos, 2020–2024 Kia Soul, 2019–2023 Forte, plus Elantra/Kona/Veloster (2016–2021) Direct replacement for OEM part numbers 24200-2E074 and 24200-2E084 — no modifications needed Pre-tested for lobe runout (

In Stock · MOQ 1 pc

Connecting Rod Bolt 16851-22140 for Kubota D722 Engine – High-Strength Replacement

Stop downtime from stripped or failed connecting rod bolts — this high-strength replacement delivers OEM-equivalent clamping force and fatigue resistance for Kubota D722 engines, so your B7300, GR2100, KX41-3, or ZD323 stays running longer between overhauls. Precisely torqued to 78–83 N·m (58–61 ft-lb) — critical for maintaining rod cap alignment and preventing catastrophic crankshaft damage Fits 100+ Kubota models including tractors (B7300HSD, BX25DLB), excavators (KX41-3, U15), mowers (ZD1021, ZD323), and UTVs (RTV-X900 series) Manufactured to ISO 898-1 Class 10.9 spec with controlled thread pitch and rolled threads — no brittle cut threads that crack under cyclic load Verified drop-in fit for kubota d722 connecting rod bolt — no reaming, shimming, or trial-and-error needed

In Stock · MOQ 1 pc

Valve Rocker Arm & Lifter Kit with Gasket for 2011–2019 Dodge/Jeep 3.6L V6

Stop engine noise, restore smooth valve train operation, and avoid costly downtime with this precision-engineered Valve Rocker Arm & Lifter Kit with Gasket for 2011–2019 Dodge/Jeep 3.6L V6 Engine Repair — built to OEM tolerances and rigorously tested for lift stability under high-RPM Pentastar conditions. Includes all 24 rocker arms, 24 hydraulic lifters, and the critical multi-layer steel (MLS) cylinder head gasket — no guesswork, no missing pieces Fits exactly where OEM parts fail early: known weak points on 2012–2017 Wrangler and 2013–2016 Ram 1500 3.6L engines due to lifter bleed-down and rocker arm wear Verified against part numbers 5184331AC, 5184595AE, and 5184596AE — cross-compatible across Dodge, Chrysler, Jeep, and Ram platforms sharing the same Pentastar architecture Ships from our Guangzhou warehouse in 2–5 working days — MOQ just 1 piece, so you can fix that ticking lifter today without waiting weeks for OEM stock

In Stock · MOQ 1 pc

Timing Belt Kit with Push Rods & Timing Pins for Deutz 1011 Engines

Stop unexpected downtime and costly mis-timing on your Deutz 1011 or Bobcat skid steer — this Deutz 1011 timing belt kit delivers OEM-equivalent precision in one complete, pre-matched set. Every component is verified for exact fit and function on F2L1011, F3L1011, BF4L1011F, and Bobcat models like the 863, 873, and T200 — no guesswork, no mismatched parts. Includes the critical 02929933 timing belt + 8× 02109085 push rods + 2× 100700 timing pins — all direct replacements calibrated to Deutz’s original cam-to-crank phasing spec Built for engines where incorrect valve clearance or belt stretch causes catastrophic piston-to-valve contact Ships from Guangzhou warehouse in 2–5 working days — no waiting weeks for OEM backorders Each kit undergoes pre-shipment tension and alignment verification, not just visual inspection

In Stock · MOQ 1 pc

Connecting Rod Bearings Set for Kubota V3307 Engine – Direct Fit Replacement

Get back to work faster with OEM-equivalent reliability — this Kubota V3307 connecting rod bearings set eliminates costly downtime from premature bearing failure or mismatched clearances. Designed for precision fit and long service life, it’s verified against factory specs for all V3307 variants, including Tier 4 CR-TE4-SL2 engines where bearing crush height and oil groove alignment are mission-critical. Fits Kubota M6040/M6060/M7060 tractors, KX080-3/KX080-4 excavators, SSV75 series skid steers, and Bobcat S630/S650/T650 — no guesswork on cross-compatibility Pre-gapped to original factory journal clearance tolerances (0.0008–0.0012 in), not just generic “standard” dimensions Includes upper and lower shells for all four rods — each marked with correct orientation and load-zone identification Ships same-day from Guangzhou warehouse; 1-piece MOQ means you’re never held up waiting for a full kit

In Stock · MOQ 1 pc

Connecting Rod for Kubota V2403-M Engine – Direct Replacement, OEM-Spec Fit

Get back to work faster with a drop-in OEM-spec replacement connecting rod for Kubota V2403-M engine — no machining, no guesswork, just reliable uptime. Unlike counterfeit rods that fail under load or require costly crankshaft regrinding, this part meets original torque specs and includes the correct 12.9-grade connecting rod bolt with precise thread pitch (M8×1.25) — a detail critical for proper clamping force and often overlooked by generic suppliers. Fits Kubota V2403, V2403-M, and V2403M engines — verified against factory service manuals ISO-certified forged steel construction, heat-treated for fatigue resistance in high-RPM operation Ships same-day from Guangzhou warehouse — no waiting weeks for OEM backorders Backed by 6-month warranty against manufacturing defects, with full technical support for installation

In Stock · MOQ 1 pc

Bearing 6538846 for Bobcat Sweeper Attachments – High-Durability Replacement

Stop sweeper downtime before it starts — this Bobcat sweeper bearing, bearing 6538846, delivers OEM-matching durability and precise fit for Bobcat sweeper attachments without the OEM wait or markup. Engineered with high-carbon chrome steel and optimized internal clearance — critical for maintaining consistent rotation under continuous side-load stress in sweeping applications Direct replacement for part number 6538846 — no fitment guesswork, no adapter kits needed Pre-lubricated with NLGI #2 lithium complex grease for immediate installation and extended service life Backed by XUNPO’s 6-month warranty and real-time technical verification — because misidentified bearings cost you time, not just money

In Stock · MOQ 1 pc

Camshaft Bearing Set for Isuzu 4HK1/6HK1 & Hitachi ZX240-3–350L-3

Stop camshaft wear-related downtime on your Isuzu 4HK1/6HK1 engine or Hitachi ZX240-3–ZX350L-3 excavator — this OEM-replacement camshaft bearing set delivers precise fit, factory-grade tolerances, and immediate reliability. Unlike generic kits that skip critical interference-fit specs, ours maintains the exact 0.008–0.012mm press-fit clearance required for Isuzu’s dual-cam timing stability. Direct drop-in replacement for 18+ Hitachi ZAXIS models — including ZX240-3, ZX270-3, ZX280LC-3, and ZX350L-3 — no machining or adjustments needed Covers all major Isuzu variants: 4HK1-XYSA, 6HK1XASA, 6HK1XQA, and Tier 3-compliant UM6HK1 engines Backed by full cross-reference to 16 OEM part numbers (e.g., 8973861890, 8943903111) — verified against Isuzu service manuals Ships same-day from Guangzhou warehouse — no waiting weeks for OEM backorders

In Stock · MOQ 1 pc

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