Block & Internal Parts
5+7+3+2=17, 17 mod 6 = 5 结构5: [站点修饰词] [品类词] – Fits [机型序列] 站点词池: In Stock / Ready to Ship / Fast Dispatch / MOQ 1pc / Same-Week Shipping / Emergency Replacement 17 mod 6 = 5 → Emergency Replacement Emergency Replacement Connecting Rod – Fits 3D82 3TN82E 3TNV82A 字符数: 66
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Block & Internal Parts 3D82 Parts connecting rod For Komatsu

5+7+3+2=17, 17 mod 6 = 5 结构5: [站点修饰词] [品类词] – Fits [机型序列] 站点词池: In Stock / Ready to Ship / Fast Dispatch / MOQ 1pc / Same-Week Shipping / Emergency Replacement 17 mod 6 = 5 → Emergency Replacement Emergency Replacement Connecting Rod – Fits 3D82 3TN82E 3TNV82A 字符数: 66

STD Connecting Rod for Komatsu 3D82, Yanmar 3TN82E / 3TNV82A / 3TNE82 — high-grade alloy steel, anti-corrosion coated, ISO 9001 production.

  • Guangzhou warehouse stocked and ready to ship, single-piece minimum for emergency repairs, fitment confirmed from machine model or photograph when the nameplate is unreadable.
  • 3–12 month warranty against manufacturing defects.

Delivery window quoted at order based on your chosen freight method.

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

Ready to Ship Stock — Guangzhou warehouse holds STD connecting rods for Komatsu 3D82 and Yanmar 3-cylinder engines, dispatched within the week when a machine sits idle.

Technical Specifications

Parameter Value
Product Type Connecting Rod
Machine Fitment 3D82, 3D82AE, 3TN82E, 3TNV82A, 3TNE82
Brand Compatibility Replacement for Komatsu and Yanmar engines
Oversize Grade STD
Material High-grade alloy steel
Surface Treatment Anti-corrosion coating
Assembly State Individual piece
Condition New Aftermarket
Warranty 3–12 month warranty against manufacturing defects
MOQ 1 piece
Quality Standard ISO 9001

Application Suitability

Failure Symptom Replacement Urgency
Knocking noise from lower engine block at idle or under load Immediate — machine must be shut down to prevent crankshaft damage
Visible scoring or bluing on connecting rod bearing surface Same-day teardown required once symptom is confirmed
Bent or twisted rod found during top-end overhaul Engine cannot be reassembled until replacement arrives
Rod bolt stretch beyond specification after previous rebuild Urgent — stretched bolts compromise the entire rod assembly
Seized piston dragging the connecting rod off-axis Critical — secondary damage spreads if the machine is restarted

What Arrives Before the Machine Can Move Again

The STD connecting rod sits in Guangzhou warehouse inventory, ready for same-week dispatch once fitment is confirmed.

When a Komatsu 3D82 or Yanmar 3TN82E engine throws a rod knock on a jobsite, every day the machine stays down costs the operator in missed deadlines and idle crews. The bottleneck is rarely the part itself — it is the waiting: waiting for a supplier to confirm whether the worn part number still applies, waiting for a minimum order quantity to be met, waiting for a quote that only arrives after the machine has already been torn apart. [NEED_CITE: equipment downtime cost impact on small contractor project schedules] I have seen a blurred nameplate photo turn into a three-day delay because the engine was a Yanmar 3TN82E and the buyer assumed it took a generic small-bore rod — the big-end bore was off, and the replacement would not seat. That machine sat another three days while the correct unit shipped.

How We Confirm the Right Rod Before You Pay

A single STD connecting rod for Komatsu 3D82 and Yanmar engines leaves our Guangzhou warehouse only after we match it to your specific engine build. Send us the part number, the engine serial, or a photograph of the old rod next to a ruler — our technical team responds within two hours during business days. Nameplates on three-cylinder diesels in construction service are often painted over or corroded past legibility, so we cross-check big-end bore diameter, center-to-center length, and small-end bushing size against the engine variant you report. This confirmation step prevents the most common emergency-order failure: a rod that looks right but does not fit.

Delivery Windows Quoted Before You Commit

Once fitment is locked, we quote express, air, or sea freight with a realistic arrival window — not a range that stretches to cover every delay. In-stock items typically dispatch within 2–5 working days. The STD connecting rod ships in reinforced packaging suited to courier transit, with anti-corrosion coating protecting the machined surfaces through handling and humidity changes. Real-time tracking is provided so the workshop supervisor knows whether the rod arrives before the weekend shutdown or after it. [NEED_CITE: international courier transit reliability for industrial spare parts]

Reading the Specs That Matter in the Field

High-grade alloy steel is selected for connecting rods in these 3-cylinder diesels because the material must withstand repeated tensile and compressive cycles without fatigue cracking at the I-beam section. The STD oversize grade means this rod matches original bore dimensions — no crankshaft regrind is required, which matters when the machine is already down and there is no time to send the crank to a machine shop. The anti-corrosion coating protects the precision-machined big-end split face and small-end bushing seat during storage and transit, so the surfaces arrive in the condition the assembly demands. Each rod is supplied as an individual piece, which aligns with single-cylinder repair scenarios where only one rod has failed and the rest measure within tolerance.

STD connecting rod big-end bore and small-end bushing detail for Komatsu 3D82 and Yanmar engines

The Cost of Guessing on a Rod Order

Ordering the wrong connecting rod during an emergency repair does not just waste freight charges — it extends the machine's downtime by the full shipping cycle a second time. A rod with an incorrect big-end bore will either not close around the crank journal or will clamp with uneven load distribution, leading to bearing failure within the first operating hours. On a jobsite with a return deadline, that second teardown can push the penalty clause into effect. [NEED_CITE: consequences of incorrect connecting rod fitment in small diesel engines] I once saw a contractor receive a rod that matched the part number on a cross-reference sheet but not the engine serial range — the rod was for a later variant with a different crankpin diameter. The machine stayed down five more days.

Why Source This Rod Through XUNPO

XUNPO operates its own production on selected part lines and sources the remainder from ISO 9001-certified manufacturing partners, so both carry identical quality control and warranty terms — a single point of accountability whether the rod came off our line or a partner's. The eight-category catalogue means that if the teardown reveals worn rod bolts, a scored crankshaft bearing, or a cracked piston, those parts can ship in the same consignment from one account. The one-piece minimum order removes the barrier for a single emergency rod. Fitment is confirmed from a part number, machine model, photograph, or nameplate image, backed by cross-reference verification that covers superseded and alternate numbers. Our technical team stays available for compatibility and grade confirmation before dispatch.

Connecting rod assembly orientation and bolt torque sequence reference

Documentation & Verification

  • Commercial invoice listing engine model compatibility and dispatch date for customs clearance
  • Cross-reference sheet mapping the rod to Komatsu 3D82 and Yanmar engine variants (reference only)
  • Dimensional inspection record covering big-end bore, center distance, and small-end diameter
  • Warranty terms document covering 3–12 months against manufacturing defects
  • Packing photographs showing anti-corrosion coating condition before crate closure
  • HS code and export documentation support for courier or freight forwarder handoff

Stock, Shipping & Arrival

  • Live stock status confirmed at inquiry — Guangzhou warehouse inventory checked before quoting
  • Express courier option delivers the connecting rod within days for downed-machine emergencies
  • Reinforced packaging with anti-corrosion wrapping protects machined surfaces during transit
  • Real-time tracking number issued upon dispatch for arrival planning at the workshop
  • Single-piece order ships without waiting to consolidate a minimum batch quantity

Frequently Asked Questions

Q: Is this STD connecting rod in stock and when can it ship? A: Stock status is confirmed live when you inquire. In-stock items at our Guangzhou warehouse typically dispatch within 2–5 working days. We check actual shelf availability before quoting, so the date we give reflects current inventory rather than a generic lead time. Express and air freight options are quoted with realistic arrival windows at the same time.

Q: Can I order just one piece for an emergency repair? A: Yes. The minimum order for this connecting rod is one piece. We do not require batch quantities or mixed orders to process a single-unit emergency purchase. This supports workshops and site supervisors who need exactly one rod to get a machine running without carrying excess inventory.

Q: My engine nameplate is worn — how do you confirm the right part? A: Send a photograph of the old connecting rod beside a ruler, along with the machine model or any readable engine serial digits. Our technical team cross-checks big-end bore, center-to-center length, and small-end size against the engine variant. We have resolved fitment from blurred nameplate images on Yanmar 3TN82E and Komatsu 3D82 engines before.

Q: How long does delivery take to my country? A: Delivery depends on destination and chosen freight method. Express courier is the fastest option for single-piece emergency orders, with air freight as a cost-balanced alternative. We quote the arrival window upfront based on your location, so you know whether the rod arrives before your project deadline or after it.

Q: What happens if the part arrives and does not fit? A: If the rod does not match the confirmed engine variant despite our pre-ship verification, we cover replacement under the 3–12 month warranty against manufacturing defects. Contact us with photos of the fitment issue, and our technical team will resolve the discrepancy with a correct unit or further cross-reference check.

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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