| Product Name | Heavy-Duty Connecting Rod Assembly - Replacement for 1629668 / 20477805 |
|---|---|
| OEM Part Numbers | 1629668, 20477805 |
| Alternative Numbers | Vol 16.296.68, 20.477.805, 1629668P, 20477805P |
| Cross-references | CTR-VOL068, 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 Vol D13, D16 engine rebuilds and overhauls |
| Warranty | 24 Months / 300,000 km (limited warranty - excludes improper installation) |
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