Block & Internal Parts
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Connecting Rod 103-9680 for CAT 3044C & C3.4 Engines – High-Strength Replacement

<p>Stop downtime and costly engine rebuilds—this <strong>103-9680 connecting rod</strong> delivers OEM-matched strength and precision fit for CAT C3.4 and 3044C engines, so your 315C, 318B, 906H, or 279C stays online longer with zero compatibility guesswork.</p> <ul> <li>Forged from high-tensile 4340 alloy steel and micro-polished to ±0.001mm journal tolerance—exactly what seasoned mechanics demand for balanced rotating assemblies</li> <li>Fits verified serial ranges including MHK08865 and CJR00001-UP, eliminating the risk of mismatched rods in mixed-fleet shops</li> <li>Ships same-day from our Guangzhou warehouse—no waiting weeks for OEM backorders or risking counterfeit imports</li> <li>Backed by full technical verification: send us your machine’s serial or engine tag photo, and we’ll confirm fitment within 2 hours</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameConnecting Rod
Part Number (OEM Reference)103-9680, 1039680, CA1039680
Brand CompatibilityCaterpillar (CAT)
Machine Model FitmentSee full list in Compatible Models table below
Engine CompatibilityCAT C3.4 Industrial Engine, CAT 3044C Engine, CAT 3046 Engine
MaterialHigh-strength forged steel
ConditionNew aftermarket
Warranty6-month warranty against manufacturing defects
PackagingIndividual anti-rust oil coating + foam-lined retail box + outer corrugated carton

Compatible Models

BrandApplicable Models
CAT315, 315B, 315C, 317B LN, 318B, 257B3, 267B, 277C, 277C2, 279C, 279C2, 287C, 287C2, 289C, 289C2, 297C, 299C, 236B, 236B3, 242B3, 246C, 252B, 252B3, 256C, 262C, 262C2, 268B, 272C, 259B3, 906, 906H, 907H, 908H, 933, 933C, 939, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G

Tired of Connecting Rod Failures on CAT C3.4 & 3044C Engines? Get the Right 103-9680 Replacement for Your 315C, 318B Excavator or 906H Loader

Every hour your CAT excavator or wheel loader sits idle due to a failed connecting rod costs hundreds — sometimes thousands — of dollars in lost productivity and rental penalties. Counterfeit 103-9680 rods crack under load, causing catastrophic engine damage. OEM replacements take 3–4 weeks to arrive, halting critical jobsites across North America, Africa, and Southeast Asia.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 103-9680 connecting rod is manufactured in ISO 9001-certified facilities, rigorously tested before shipment for dimensional accuracy, tensile strength, and fatigue resistance. With 10 years’ experience supplying CAT engine parts globally, XUNPO delivers proven performance for high-duty-cycle applications — whether rebuilding a 3044C engine in a 315C excavator or servicing a 906H loader at a port terminal.

Connecting Rod 103-9680 for CAT C3.4 & 3044C Engines - CAT connecting rod

Where This Part Works

The 103-9680 connecting rod operates under extreme cyclic stress in CAT C3.4 and 3044C engines powering equipment across demanding environments: urban excavation sites with repeated dig-and-swing cycles, open-pit mining where dust ingress accelerates wear, and port logistics operations requiring uninterrupted uptime. In these conditions, rod integrity directly affects crankshaft alignment, combustion efficiency, and overall engine service life — making precise material selection and heat treatment non-negotiable.

Engineering Details That Matter

Forged steel construction provides superior grain flow and fatigue resistance compared to cast alternatives — essential for engines operating above 2,200 rpm. Each rod undergoes quench-and-temper heat treatment to achieve 850–950 MPa tensile strength and Rockwell hardness of HRC 32–36, matching OEM specifications for load-bearing capacity. Precision machining ensures ±0.02 mm tolerance on big-end bore diameter and cap-to-rod alignment, preventing bearing edge loading. Surface shot peening enhances compressive residual stress on the fillet radius — the most common fatigue initiation point. Anti-rust oil coating protects during storage and transit, eliminating pre-installation cleaning delays.

The Real Cost of Wrong Parts

A $40 counterfeit 103-9680 rod may save upfront but often fails within 200 operating hours — triggering secondary damage to crankshafts, cylinder liners, and pistons. Repair labor, tow fees, and project delay penalties easily exceed $5,000. Our 103-9680 replacement meets ISO 6892-1 tensile testing standards and performs identically to OEM in real-world field validation across 120+ countries. Total cost of ownership drops when you factor in 3× longer service life, zero unplanned downtime, and full warranty coverage — not just unit price.

Why Customers Trust XUNPO

— We partner exclusively with ISO 9001-certified factories; every batch undergoes incoming material inspection.
— 100% of 103-9680 rods are subjected to hydraulic pressure testing and dimensional verification before shipment.
— 6-month warranty covers manufacturing defects — no questions asked, no restocking fees.
— 10 years exporting to 120+ countries, including repeat orders from fleet operators in Australia, Brazil, and Germany.
— Our 20+ technical team includes CAT-certified diesel mechanics who verify part fitment within 2 hours.
— Over 10,000 SKUs held in our Guangzhou warehouse — 103-9680 is stocked and ships in 2–5 working days.

103-9680 connecting rod for CAT 3044C engine - packaging detail

Packaging & Shipping

  • Individually coated with rust-inhibiting oil, secured in custom foam insert, sealed in branded retail box, then packed in reinforced export carton
  • In-stock items ship within 2–5 working days after payment confirmation
  • Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted per destination
  • Real-time tracking number provided upon dispatch, updated until final delivery
  • MOQ is 1 piece — designed for urgent field repairs and small-batch rebuilds

Get Your 103-9680 Connecting Rod Now

Your CAT machine shouldn’t wait weeks for a critical engine component. Send us your part number (103-9680), exact machine model (e.g., 315C or 906H), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for bench testing. Stock is ready. Your next repair starts today.

Frequently Asked Questions

Q: Is this an original Caterpillar part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket connecting rod, produced in ISO 9001-certified factories to match CAT’s dimensional, material, and performance specifications for 103-9680.

Q: How do I confirm if 103-9680 fits my specific machine serial number?

A: Provide your machine model and serial number (e.g., 315C AKE00001-UP) — our technical team verifies compatibility and replies within 2 hours.

Q: What is the warranty period for this connecting rod?

A: 6 months from date of delivery, covering defects in materials or workmanship. No registration required.

Q: What is the minimum order quantity?

A: 1 piece. We support single-unit orders for emergency repairs and engine rebuilds.

Q: How soon will my order ship?

A: In-stock 103-9680 rods ship within 2–5 working days. Express options available for urgent deliveries.

Q: Can I receive a physical sample before placing a bulk order?

A: Yes — first-time customers may request one sample for technical evaluation. Sample fee is refundable against first bulk order.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Block & Internal Parts
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • ✓ In-stock items dispatched in 2-5 business days
  • ✓ Multiple freight options: Express, Air, Sea
  • ✓ Real-time tracking provided
  • ✓ Ships to 120+ countries worldwide
  • ✓ Export-standard packaging for all items

Warranty & Quality

  • ✓ 3-12 month warranty on all parts
  • ✓ ISO-certified factory partners
  • ✓ Strict QC inspection before dispatch
  • ✓ Zero counterfeit policy -- guaranteed
  • ✓ Optional sample testing for new buyers
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