Rod Assembly 1629668 / 20477805 for Volvo Trucks Heavy-Duty Engine Connecting Rod OEM Replacement
Ensure maximum engine strength, balance, and longevity in your Volvo truck with this premium forged connecting rod assembly, engineered as a direct-fit OEM-quality replacement for:
- OEM Part Numbers: 1629668, 20477805
Specifically designed for Volvo’s high-output D13 and D16 diesel engines, this heavy-duty connecting rod is built to endure extreme cylinder pressures, turbocharging, and continuous high-load operation—making it ideal for long-haul transport, construction, mining, and severe-duty applications.
Manufactured from high-tensile alloy steel and precision-machined to strict Volvo specifications, this rod delivers exceptional fatigue resistance, dimensional accuracy, and weight consistency, ensuring smooth engine operation and long service life in demanding commercial environments.
Key attributes
| Item | Specifications |
| Product Name | Heavy-Duty Connecting Rod Assembly – Replacement for 1629668 / 20477805 |
| OEM Part Numbers | 1629668, 20477805 |
| Alternative Numbers | Volvo 16.296.68, 20.477.805, 1629668P, 20477805P |
| | Cross-references: CTR-VOLVO068, VOL-ROD13, Rod1629668 |
| Rod Type | Forged Steel I-Beam Connecting Rod (Complete Assembly) |
| Material | High-Strength Forged Alloy Steel (Scm435 / 34CrMo4) – Vacuum Degassed & Clean Steel |
| Manufacturing Process | Hot Forged, Heat Treated (Quenched & Tempered), Precision Machined, Weight Balanced |
| Big End Bore Diameter | 67.00 mm ± 0.01 mm (Crankshaft Journal Fit – D13/D16 Standard) |
| Small End Bore Diameter | 30.00 mm ± 0.01 mm (Piston Pin Fit) |
| Center-to-Center Length | 225.0 mm ± 0.1 mm |
| Cap Design | Fracture-Split (Cracked) Cap – Ensures Perfect Alignment & Maximum Clamping |
| Bolt Thread Size | M12 x 1.5 (OEM-Spec High-Strength Connecting Rod Bolts Included) |
| Bolt Grade | 10.9 or 12.9 (Preload-Matched Set – Critical for Safety) |
| Weight Tolerance | ±2.0 grams (per set – essential for engine balance and low vibration) |
| Finish | Shot-Peened for Fatigue Resistance, Precision-Ground Bearing Surfaces |
| Bushings | Bronze Small-End Bushing Included (Precision-Fit, Oil-Grooved) |
| Compatibility | Matches OEM specs for Volvo D13, D16 engine rebuilds and overhauls |
| Warranty | 24 Months / 300,000 km (limited warranty – excludes improper installation) |
Company Profile
Haifeng Auto Parts: Engineering Confidence into Every Drive.
For years, Haifeng Auto Parts has been the trusted name behind the high-performance components that keep vehicles running safely and smoothly. We understand that in the automotive world, quality isn't just a feature—it's the foundation of trust. That’s why we’ve built our entire operation around one promise: delivering uncompromising quality.
How We Deliver:
Precision Manufacturing: Our advanced, automated production lines craft each part with exceptional accuracy, ensuring a perfect fit and reliable performance every time.
Extreme Testing: We push our products to the limit. From intense temperature and wear tests to critical seal integrity checks, we ensure every component is ready for the toughest real-world conditions.
Proven Performance: Top auto manufacturers rely on our parts for their most critical systems—including braking, suspension, and transmission. Their trust is our testament to quality.
Contact Us for Transmission Gearbox Parts Solutions
Phone: +86 189 3190 5860
Email: huzilong9566@gmail.com
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