Block & Internal Parts
Ready to Ship 1 Set Camshaft Bearing Compatible with Isuzu 4HK1 6HK1
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Block & Internal Parts 8973861890 Camshaft Bearing Set High-carbon Steel

Ready to Ship 1 Set Camshaft Bearing Compatible with Isuzu 4HK1 6HK1

8973861890, 8-97386189-0, 8-97356939-0, 8976026990, 8943903110 Camshaft Bearing Set — replacement for Isuzu 4HK1 6HK1 engines and compatible with Hitachi ZX240-3 to ZX350L-3 excavators, high-carbon steel with phosphated coating.

  • In stock at our Guangzhou warehouse, ships within 2–5 working days with express, air, or sea freight options
  • MOQ 1 piece, no barriers for single-machine emergency repairs
  • Part identification from machine model, photograph, or nameplate image when numbers are unreadable

Single-piece orders dispatched same week with real-time tracking to your site or workshop.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Stocked for Immediate Dispatch — Guangzhou warehouse holds verified inventory of this camshaft bearing set for Isuzu 4HK1/6HK1 applications, ready to ship within days of order confirmation.

Technical Specifications

Parameter Value
Part Number 8973861890, 8-97386189-0, 8973569390, 8-97356939-0, 8973861891, 8976026990, 8-97386189-1, 8-97602699-0, 8943903110, 8943903111, 8-94390311-0, 8-94390311-1
Product Type Camshaft Bearing Set
Cross-Reference 8973861890, 8-97386189-0, 8-97356939-0, 8976026990, 8943903110, 8943903111 (reference only)
Machine Fitment Hitachi ZX240-3, ZX270-3, ZX280LC-3, ZX330-3, ZX350L-3, ZX170W-3, ZX190W-3, ZX200-3, ZX210-3, ZX210L-3, ZX225US-3, ZX250L-3, ZX250LC-3, ZX290LC-5B, ZX350LC-3, ZW220, ZW250, MA200, ZH200-A, ZH200LC-A, ZR125HC, ZR950JC, LX130-7, LX160-7, EG70R-3, CX650-2, SCX300-C, SCX400, SCX500-C, SCX500W, SCX550-C, SCX700, SCX700-2, SR2000G
Engine Compatibility Isuzu 4HK1, 6HK1, 4HK1-AM-4HK1XZSA-03, 4HK1XASA02A, 4HK1XASA11A, 4HK1XASA12A, 4HK1XASA13A, 4HK1XKSA02D, 4HK1-XYSA-01, 4HK1-XYSA-02, 4HK1-XYSA-03, 4HK1-XZSA03, 4HK1-XZSA04, 6HK1XASA02, 6HK1XASA11A, 6HK1XASA12A, 6HK1XKSA01D, 6HK1XQA03, 6HK1XQA03D, 6HK1-XYSA-01, 6HK1XZSA-01, 6HK1XZSA01A, 6HK1 TIER3, UM6HK1
Material High-carbon steel with precision-ground bearing surfaces
Surface Treatment Phosphated coating for corrosion resistance
Hardness HRC 58–62 (source value — verify against manufacturer catalog)
Internal Surface Finish Ra ≤ 0.4 μm (source value — verify against manufacturer catalog)
Radial Clearance Tolerance ±0.005 mm (source value — verify against manufacturer catalog)
Condition New aftermarket
Warranty 3–12 months against manufacturing defects
MOQ 1 piece
Standards ISO 9001

Application Suitability

Failure Symptom Replacement Urgency
Low oil pressure at operating temperature with confirmed oil pump function Immediate — bearing wear accelerates camshaft scoring if deferred
Audible ticking or tapping from valve train at idle and mid-range RPM High — indicates clearance already beyond specification
Camshaft lobe scoring found during valve cover inspection Immediate — new bearings required before reassembly
Engine rebuild with reground or replacement camshaft Scheduled — must be fitted as part of bottom-end assembly
Contaminated oil showing metallic flakes on magnetic plug High — bearing surface breakdown already in progress

What Arrives Before the Machine Can Move Again

A camshaft bearing set in stock at Guangzhou warehouse ships within days, not weeks.

When an excavator sits idle on a job site, every hour costs the contractor real money in missed deadlines and rental penalties. I have watched repair shops lose two full days just waiting for a parts supplier to confirm whether a number is even correct — meanwhile the machine stays on the bench. This camshaft bearing set compatible with Isuzu 4HK1 and 6HK1 engines sits in verified stock, meaning the gap between your order and the carrier pickup is measured in working days rather than production lead times. [NEED_CITE: unplanned equipment downtime cost per hour in heavy construction operations]

Verified Stock Levels Eliminate Guesswork

The camshaft bearing set in stock fast shipping replacement for Isuzu 4HK1 6HK1 is available right now, and inventory status is confirmed at the point of inquiry rather than assumed from a catalog listing. You send the machine model — say, a Hitachi ZX240-3 with a 6HK1 TIER3 engine — and the response includes actual warehouse availability, not a hopeful estimate. Single-piece orders are accepted because emergency repairs rarely need bulk quantities. The MOQ of 1 piece exists precisely for the scenario where one machine is down and the clock is running.

From Inquiry to Delivery: The Timeline Breakdown

The path from your first message to parts in hand breaks into three stages: identification, dispatch, and transit. Identification takes hours when you provide a machine model or engine code, and even when the nameplate is painted over or worn, a photograph of the old bearing or the engine data plate is usually enough to confirm the correct variant. In-stock items ship within 2–5 working days. Express and air freight options reach most international destinations within a further 3–7 days, while sea freight extends the total but lowers cost for non-urgent restocking. Delivery timelines are quoted at the inquiry stage so you can plan the repair schedule around confirmed dates. [NEED_CITE: international express freight transit windows for construction parts]

Camshaft bearing set for Isuzu 4HK1 6HK1 engines shown with precision-ground internal surface and phosphated exterior

How Fast the Right Part Gets Confirmed

A camshaft bearing set in stock fast shipping replacement for Isuzu 4HK1 6HK1 is only useful if it is the correct variant for your specific engine build. Isuzu 4HK1 and 6HK1 engines span multiple generations and output ratings, from the 4HK1XASA02A to the 6HK1XZSA01A, and bearing dimensions can differ between production runs. The identification process accepts the OEM reference number, the machine model, or simply a photograph of the nameplate. Cross-reference verification covers superseded numbers such as 8973861890 to 8973861891, ensuring the set you receive matches the engine on your bench — not the engine that left the factory ten years ago.

Packaging and Protection Through Transit

Each camshaft bearing set ships in an individual sealed plastic sleeve with an anti-rust oil coating, then packed in corrugated cardboard to protect the precision-ground bearing surfaces during handling. The phosphated exterior provides additional corrosion resistance, but transit conditions can still introduce moisture if packaging is compromised. The packaging is designed for express courier handling, where parcels pass through multiple sorting facilities. Sealed sleeves prevent direct contact with cardboard fibers that could embed in the bearing surface during installation.

Cross-section view showing bearing wall thickness and internal surface finish specification

Reading the Specifications That Matter

The high-carbon steel construction provides the structural rigidity needed to maintain radial clearance under camshaft loading, while the precision-ground internal surfaces target a finish that supports hydrodynamic oil film formation at operating temperature. Radial clearance tolerance of ±0.005 mm defines the oil wedge geometry — too tight and the film breaks down under thermal expansion, too loose and camshaft deflection increases lobe wear. The phosphated coating on the exterior surface aids initial break-in by providing a sacrificial layer during the first minutes of operation before full oil pressure is established. Hardness in the HRC 58–62 range balances surface durability against the risk of cracking under press-fit installation into the block bore. [NEED_CITE: camshaft bearing material hardness and radial clearance standards for medium-duty diesel engines]

The Cost of Ordering Blind

Ordering a camshaft bearing set without confirming the exact engine variant leads to two expensive outcomes. The set arrives, does not match the block bore or journal diameter, and must be returned — adding a full shipping cycle to an already delayed repair. Or worse, the bearing fits but with incorrect clearance, causing either oil starvation or excessive deflection that surfaces as premature camshaft wear within the first few hundred hours. Both scenarios mean the machine goes back on the bench. Confirming the part from a machine model or nameplate photograph before dispatch eliminates this cycle entirely.

Why Buyers Source This Part Here

Guangzhou warehouse stock on fast-failure items like camshaft bearings means dispatch is measured in days, not production weeks. A single account covers eight categories, so if the engine teardown also reveals worn seals, gaskets, or fuel system components, everything ships in one consignment rather than arriving in fragments. Orders start at 1 piece — no minimum quantity barriers when you need exactly one set for one downed machine. Part identification from a photograph of a worn nameplate or a machine model saves days of back-and-forth confirmation. The technical team verifies cross-references including superseded numbers like 8943903110 to 8943903111, so the bearing set matches the engine you are actually rebuilding. [NEED_CITE: aftermarket parts sourcing consolidation benefits for independent repair facilities]

Documentation & Verification

  • Commercial invoice and packing list itemizing each camshaft bearing set with reference numbers
  • Cross-reference sheet mapping superseded OEM numbers (reference only) to supplied part
  • Dimensional inspection record confirming bore diameter and wall thickness before dispatch
  • Warranty terms document specifying coverage period and defect replacement procedure
  • Packing photographs taken prior to crate closure for freight condition baseline
  • HS code provided for customs clearance documentation at destination

Stock, Shipping & Arrival

  • Current stock status confirmed at inquiry with real-time Guangzhou warehouse availability
  • Express courier dispatch available within 2–5 working days for in-stock camshaft bearing sets
  • Individual sealed sleeves and anti-rust oil protect bearing surfaces through transit handling
  • Real-time tracking number issued at dispatch with estimated arrival date by destination
  • Air freight and sea freight options quoted alongside express for cost-flexible scheduling
  • Delivery confirmation provided upon signed receipt at destination address

Ready When Your Machine Is Down

Send the machine model, engine code, or a photograph of the nameplate or old bearing. Stock availability, shipping options, and delivery timeline will be quoted in response. No need to wait for batch minimums or production schedules — this camshaft bearing set for Isuzu 4HK1 and 6HK1 engines ships from stock when your excavator needs to get back to work.

Frequently Asked Questions

Q: Is this camshaft bearing set currently in stock? A: Verified stock levels for the camshaft bearing set compatible with Isuzu 4HK1 and 6HK1 engines are held at the Guangzhou warehouse and confirmed at the point of inquiry. Send your machine model or engine code, and availability is checked against real inventory rather than catalog listings, so the dispatch timeline quoted is based on what is physically on the shelf.

Q: What is the minimum quantity I can order for a single emergency repair? A: The minimum order is 1 piece. This camshaft bearing set is stocked specifically to support single-machine emergency repairs where a full bulk order makes no sense. You order exactly what the teardown requires, and the set ships without waiting to accumulate a larger batch for dispatch.

Q: How fast can I receive the parts at my location? A: In-stock items ship within 2–5 working days from Guangzhou. Express and air freight options typically reach international destinations within an additional 3–7 days. Delivery timelines are quoted upfront based on your destination and chosen freight method at the inquiry stage, so you can plan the repair schedule with confirmed dates.

Q: My nameplate is worn — can I confirm the correct part from a photo? A: Yes. Send a photograph of the engine data plate, the old bearing, or any remaining identification marks. The technical team uses machine model, engine serial range, and cross-reference verification to confirm the correct camshaft bearing set variant, even when original markings are painted over or illegible.

Q: What happens if the part arrives and does not fit my machine? A: If the supplied camshaft bearing set does not match the confirmed application, a full replacement or refund is provided under the 3–12 month warranty against manufacturing and fitment defects. Cross-reference verification at the order stage is designed to prevent this outcome, and the team works with you to resolve any discrepancy quickly.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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