12117-1MC0A Nissan Genuine Connecting Rod and similar items

Nissan Genuine Connecting Rod Bearing 12117-1MC0A (0.25mm Oversize) The Nissan Genuine Connecting Rod Bearing (12117-1MC0A) is a high-precision OEM engine component designed to support smooth rotation of the connecting rods on the crankshaft. Manufactured to Nissan’s strict standards, this bearing ensures precise fit, optimal engine performance, and long-lasting durability, even under high stress. Connecting rod bearings are critical for reducing friction between the crankshaft and connecting rods, preventing wear, and maintaining engine efficiency. Using a genuine Nissan part guarantees proper tolerances, consistent performance, and protection of key engine components. Product Specifications Specification Details Part Number 12117-1MC0A Product Name Connecting Rod Bearing Title Format Nissan Genuine Connecting Rod Bearing 12117-1MC0A (0.25mm Oversize) Brand Nissan Genuine Manufacturer Nissan Category Engine / Internal Components Component Type Connecting Rod Bearing (Oversize 0.25mm) Material High-strength alloy steel with anti-friction surface treatment Condition New Genuine Part Application Reduces friction between connecting rods and crankshaft, supports smooth rotation Technical Details OEM Precision Engineering Manufactured to Nissan factory tolerances for exact fit with the crankshaft and connecting rods. Durable Construction High-strength alloy resists wear, heat, and pressure, maintaining integrity under high-RPM conditions. Optimized Friction Surface Provides smooth rotation and reduces wear on the crankshaft journal. Oversize Design (0.25mm) Designed for use when crankshaft journals are machined, restoring proper clearance and ensuring reliable engine function. Direct Replacement Design Fits directly onto connecting rods without modification. Detailed Function Benefits Primary Function The connecting rod bearing allows the connecting rod to pivot smoothly on the crankshaft, converting piston motion into crankshaft rotation while minimizing friction and wear. Key Benefits Smooth Engine Operation: Reduces friction and heat in the connecting rod assembly OEM Fit Function: Direct replacement for Nissan factory bearings Durable Long-Lasting: Resists wear, heat, and high engine loads Supports Crankshaft Integrity: Prevents scoring and premature wear Precise Clearance: Oversize 0.25mm restores proper bearing-to-journal gap Easy Installation: Fits directly without modification Signs the Connecting Rod Bearing May Need Replacement Replacement may be necessary if you notice: Knocking or tapping noises from the engine (rod knock) Low oil pressure or abnormal oil consumption Excessive play in the connecting rod or crankshaft Metal debris in engine oil during inspection Bearing surface damage or discoloration on inspection Failure to replace worn bearings can lead to severe engine damage, including crankshaft scoring or connecting rod failure. Compatibility Vehicle Applications This genuine Nissan connecting rod bearing is compatible with select Nissan engines depending on year, model, and engine configuration. Typical Vehicle Applications Make Model Engine Application Notes Nissan Altima QR25DE / MR20DE Engine Verify journal size Nissan X-Trail QR25DE / MR20DE Confirm variant Nissan Sentra MR20DE / QR25DE Engine Engine-dependent Nissan Rogue 2.5L I4 Engine Oversize bearing application Important Fitment Notes Always verify compatibility using VIN or part number Measure crankshaft journal diameter to ensure correct oversize bearing selection Inspect connecting rods and journals for damage before installation Use proper lubrication during assembly Installation / Service Notes Disassemble engine to access connecting rods Remove old bearings and clean rod and crank surfaces Install new 0.25mm oversize bearings in correct orientation Apply assembly lube to bearing surface Reassemble connecting rods and torque bolts to specification Rotate crankshaft to ensure smooth operation and proper clearance Check oil pressure after engine reassembly Quality Reliability Nissan genuine connecting rod bearings are engineered for precision, durability, and reliable engine performance. The 12117-1MC0A ensures smooth engine operation, proper crankshaft support, and long-lasting performance in line with Nissan factory standards. Why Choose Nissan Genuine Connecting Rod Bearing 12117-1MC0A (0.25mm Oversize) OEM-quality for precise fit and reliable engine performance Durable alloy construction resists heat and wear Supports crankshaft and connecting rod longevity Maintains correct clearance and smooth engine rotation Direct replacement with factory specifications Designed specifically for Nissan engines