Connecting Rod 4943977 for Cummins QSB6.7 Engine, ISO-Certified Quality
Minimize equipment downtime with the reliable Connecting Rod 4943977 for Cummins QSB6.7...
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<p>Minimize equipment downtime with our reliable <strong>Connecting Rod 719810-23100</strong> for Yanmar 3TNE78 engines, designed to restore optimal performance to your Komatsu PC27MR-3 and other compatible models. Precision-engineered to meet OEM specifications, this rod ensures seamless power transfer between piston and crankshaft, eliminating the frustration of premature part failure.</p><ul><li>Direct fit for Yanmar 3TNE78/3TNE78A engines and Komatsu 3D75N-1YC, 3D82AE-6 (PC27MR-3) models</li><li>3-12 month warranty protects your investment against manufacturing defects</li><li>Replaces YMR000995 and YM719810-23700 alternatives with consistent quality</li></ul>
| Parameter | Details |
|---|---|
| Part Name | Connecting Rod |
| Part Number | 719810-23100, 71981023100, YM719810-23100, YM71981023100 |
| Analog Numbers | YMR000995, YM719810-23700, YM71981023700, 719810-23700, 71981023700 |
| Compatible Engine | Yanmar 3TNE78, 3TNE78A |
| Brand Compatibility | Yanmar, Komatsu |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Brand | Applicable Models |
|---|---|
| Komatsu | 3D75N-1YC (S/N 01661-UP), 3D78AE-3A (S/N 00715-UP), 3D78AE-3B (S/N 00101-UP), 3D78AE-3C (S/N 00101-UP), 3D78AE-3D (S/N 02552-UP), 3D78N-1A (S/N 00101-UP), 3D78N-1C (S/N 00715-UP), 3D78N-1E (S/N 03598-UP), 3D80-1 (S/N 00501-UP), 3D82AE-3C (S/N 01208-UP), 3D82AE-3D (S/N 00101-UP), 3D82AE-3E (S/N 04840-UP), 3D82AE-3F (S/N 04840-UP), 3D82AE-3G (S/N 04840-UP), 3D82AE-3H (S/N 04840-UP), 3D82AE-3HB (S/N 04840-UP), 3D82AE-3HC (S/N 04840-UP), 3D82AE-5M-BA (S/N 00246-UP), 3D82AE-5P-CB (S/N 00246-UP), 3D82AE-6 (S/N 04634-UP, For PC27MR-3), 3D82AE-6BM-DA (S/N 04634-UP), 3D82E-3A (S/N 00101-UP), 3D82E-3B (S/N 00101-UP), PC20R-8 (S/N F30001-Up, F30791-Up), PC27MR-2 (S/N F00103-Up), PC27R-8 DELUXE (S/N F30671-Up, F31103-Up), PC27R-8 (S/N F30001-Up, F31103-Up, F32154-Up) |
Equipment downtime costs construction companies thousands of dollars daily. Waiting 2-4 weeks for OEM connecting rods while your Yanmar 3TNE78 engine sits idle isn't an option. Even worse, installing cheap counterfeit rods can lead to catastrophic engine failure during critical excavation work. With over 10 years serving heavy equipment operators worldwide, we understand the urgency of keeping your machinery running.
Our Connecting Rod 719810-23100 solves your most pressing problems: it matches OEM specifications for Yanmar 3TNE78 and 3TNE78A engines, fits Komatsu PC27MR-3 and 3D75N-1YC models, and ships within 2-5 days from our Guangzhou warehouse. Unlike OEM parts that cost 30-50% more, our ISO-certified components undergo pre-shipment performance testing to ensure they handle the demands of mining, construction, and agricultural operations.
This connecting rod is the critical link between piston and crankshaft in Yanmar 3TNE78 engines, commonly found in Komatsu mini-excavators operating in tight urban construction sites, agricultural fields, and landscaping projects. It withstands cyclic compression loads up to 1000 bar during each engine cycle, making material integrity and dimensional accuracy non-negotiable for preventing costly breakdowns.
Manufactured from high-strength forged steel (equivalent to SAE 4140), this connecting rod undergoes precise heat treatment to achieve a hardness of 28-32 HRC—optimizing tensile strength (≥800 MPa) and fatigue resistance. The precision-machined big end bore (tolerance ±0.02mm) ensures perfect crankshaft journal fit, while the small end bushing features a copper-lead alloy coating for reduced friction. Each rod is magnaflux tested to detect hidden cracks, ensuring it meets the same quality standards as original Yanmar 3TNE78 connecting rods.
Choosing an inferior 719810-23100 replacement may save 10-15% upfront, but the hidden costs are staggering. A bent rod from material fatigue can damage cylinder walls and crankshafts, leading to $5,000+ in engine repairs. Our 3-12 month warranty covers manufacturing defects, but more importantly, our rigorous quality control means you avoid the 1.5x shorter lifespan common with counterfeit parts. For fleet operators managing multiple Komatsu PC27MR-3 units, the total cost of ownership with reliable parts is significantly lower than constant replacements.
We partner exclusively with ISO 9001-certified factories and inspect every incoming batch of connecting rods for dimensional accuracy and material composition. Our 20+ technical experts verify part compatibility within 2 hours, ensuring you get the right 719810-23100 rod for your Yanmar engine the first time. With 10,000+ SKUs in stock and 120+ countries served, we’ve built a reputation for reliability—just ask the mining operators in Australia or construction companies in North America who depend on our parts to meet project deadlines.
Your Yanmar 3TNE78 engine doesn’t have to wait for overpriced OEM parts. Send us your machine model, serial number, and required quantity, and we’ll confirm compatibility within 2 hours and provide a competitive quote
Send us your requirements -- part number, machine model, quantity, and destination. Our team responds within 24 hours with a competitive quote.
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