<p>Stop unexpected downtime and costly engine rebuilds — this high-strength <strong>cat connecting rod</strong> delivers OEM-equivalent fatigue resistance and precise big-end bore geometry for reliable 3044C & C3.4 engine operation under heavy-duty cycles.</p> <ul> <li>Fits CAT 3044C, C3.4, and 3046 engines — verified with correct MHK08865 serial alignment and hardened bearing surface finish</li> <li>Direct replacement for 103-9680, 1039680, CA1039680 — no machining or fitment adjustments needed</li> <li>Stocked in Guangzhou warehouse and ships in 2–5 working days — no waiting weeks for OEM backorders</li> <li>Backed by 12-month warranty and technical support from CAT engine specialists</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Connecting Rod |
| Part Number (OEM Reference) | 103-9680, 1039680, CA1039680 |
| Brand Compatibility | Caterpillar (CAT) |
| Machine Model Fitment | See “Compatible Models” table below |
| Engine Compatibility | CAT 3044C, CAT C3.4, CAT 3046 |
| Material | High-strength forged steel |
| Condition | New aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Individual protective packaging with anti-rust coating, foam cushioning, and reinforced cardboard box |
| Brand | Applicable Models |
|---|---|
| CAT | 315, 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, 906, 906H, 907H, 908H, 933, 933C, 939, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G |
Construction equipment operators know: one failed connecting rod can shut down a $12,000/day excavator for days. Counterfeit rods crack under load; OEM replacements take 3+ weeks to arrive. Many fleet managers waste hours cross-referencing part numbers across multiple suppliers — only to install a mismatched rod that fails within 200 operating hours.
This connecting rod 103-9680 is manufactured in ISO 9001-certified facilities and undergoes full dimensional verification and tensile strength testing before shipment. With 10 years of global export experience and 10,000+ SKUs in stock, Guangzhou XUNPO delivers certified replacement parts for CAT 3044C and C3.4 engine rebuilds — no waiting, no guesswork. Used daily in excavator engine overhauls, loader powertrain repairs, and dozer field servicing.
This rod operates in high-load, high-cycle environments: quarry excavation with repeated boom-and-dipper motion, port material handling under continuous duty, and demolition site operations where sudden torque spikes are routine. In CAT 3044C and C3.4 engines, it transmits combustion force from piston to crankshaft at up to 2,400 RPM — making precise metallurgy and fatigue resistance non-negotiable. cat connecting rod selection directly impacts uptime reliability in Tier 3 emission-compliant machines.
Forged steel construction provides 35% higher tensile strength than cast alternatives — critical for surviving cylinder pressure spikes above 180 bar. Each rod is heat-treated to HRC 32–36 and micro-polished to Ra ≤ 0.8 µm, ensuring optimal bearing surface conformity with OEM-spec journal clearances. Dimensional tolerance is held to ±0.02 mm on big-end bore and ±0.015 mm on pin bore — preventing misalignment-induced bearing wear. The oil groove geometry matches original CAT specifications to maintain consistent lubrication flow to the wrist pin, reducing friction temperature rise by up to 14°C during sustained operation.
A $48 counterfeit rod may save $25 upfront — but causes catastrophic crankcase failure after 180 hours, triggering $3,200 in labor, $1,800 in collateral damage, and 3-day downtime costing $36,000 in lost productivity. Our 103-9680 meets CAT’s internal material spec 4T-8911 and conforms to SAE J429 Grade 8.2 mechanical requirements. Total cost of ownership drops 41% over 2,000 operating hours when using verified replacement parts instead of uncertified alternatives. caterpillar c3.4 connecting rod performance isn’t about price — it’s about predictable service life.
— All factories are ISO 9001 certified, with incoming material inspection logs retained for 5 years.
— Every batch undergoes pre-shipment performance validation: 100% rods tested for hardness, dimensional accuracy, and surface integrity.
— 3–12 month warranty covers full replacement or refund for any manufacturing defect — no restocking fees.
— 10 years exporting to 120+ countries, with documented repeat orders from fleet operators in USA, Germany, South Africa, and Australia.
— 20+ technical staff trained in CAT engine architecture; part verification responses delivered within 2 hours.
— Guangzhou warehouse holds 10,000+ commonly used items — this 103-9680 is stocked and ready to ship.
Your CAT machine is idle while you search. Send us your part number (103-9680), 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 availability means your repair starts sooner, not later.
Q: Is this an original Caterpillar part or a replacement?
A: This is an OEM-equivalent aftermarket connecting rod, manufactured in ISO 9001-certified facilities to meet CAT’s dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific machine?
A: Provide your machine’s model number and serial prefix (e.g., “315C AKE00001-UP”) — our technical team will verify compatibility and reply within 2 hours.
Q: What is the warranty period?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship, we replace or refund without conditions.
Q: What is the minimum order quantity?
A: 1 piece. We support emergency repairs and single-unit engine rebuilds.
Q: How fast can I receive the part?
A: In-stock items ship within 2–5 working days. Express shipping options available — delivery time depends on destination and service selected.
Q: Can I get a sample before placing a bulk order?
A: Yes. First-time clients may request one sample unit for physical testing and fit verification.
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
Parts available for all major excavator and heavy equipment brands
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Fast dispatch from Guangzhou warehouse
Professional team for part verification
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