Caterpillar EXCAVATOR PARTS MADE IN CHINA NEW 312D2 M313D M315D M315D2 M317D2 359-0750 PULLEY CRANKSHAFT SPARKLING MACHINERY

   Your Caterpillar excavator’s reliable power distribution starts here. 
   Now, we’re proud to present the CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 312D2 M313D M315D M315D2 M317D2 359-0750 PULLEY CRANKSHAFT by SPARKLING MACHINERY. Next, we’ll cover its core strengths: seamless compatibility with five Caterpillar models, stable power transmission, rigorous quality, and more—helping you understand how it boosts your equipment’s operational efficiency and cuts maintenance troubles.

The SPARKLING MACHINERY NEW 359-0750 PULLEY CRANKSHAFT Photo:

   And first—thank you so sincerely, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 359-0750 Crankshaft Pulley for your Caterpillar 312D2, M313D, M315D, M315D2, or M317D2 excavator! Your trust isn’t just a purchase to us; it’s the driving force behind our commitment to meeting Caterpillar’s strict standards for power transmission components. 
   This crankshaft pulley isn’t just a spare part—it’s your excavator engine’s "power linker"; a faulty one can cause belt slippage, accessory failure, or even engine overheating. Ours is engineered to fit and perform exactly like Caterpillar’s original, so you can count on it fully. Let’s dive into why it’s the perfect match for your machine.

   Why choose the SPARKLING NEW 312D2 M313D M315D M315D2 M317D2 359-0750 Crankshaft Pulley?
   - Direct-fit compatibility: Exclusively tailored to match the exact mounting hole positions, shaft diameter, and belt groove profile of Caterpillar 312D2/M313D/M315D/M315D2/M317D2 crankshafts. Marked with genuine part number 359-0750, it aligns perfectly with existing crankshaft ends, accessory belts, and engine brackets—no drilling, shaft modification, or adapter use is needed. This cuts replacement downtime by up to 25%, getting your Caterpillar excavator back to on-site work faster.
   - Precision control: Features ultra-accurate rotational concentricity (runout <0.05mm) and optimized groove depth (matching Caterpillar’s original belt tension parameters), ensuring tight belt engagement without slippage. It maintains stable power distribution—e.g., driving M317D2’s generator during long-hour construction or 312D2’s water pump during high-temperature operations—preventing accessory power loss and equipment malfunctions.
   - Rigorous quality: Undergoes 18+ strict quality tests tailored to Caterpillar excavator operating conditions, including 10,000+ hours of rotational durability trials, high-low temperature cycle tests (-30°C to 120°C, 700+ cycles), belt wear resistance checks (no abnormal groove wear after 8,000 hours), and torque load trials (withstanding 500N·m without deformation). It withstands dusty construction sites, rainy municipal zones, and continuous engine vibration without performance degradation.
   - Professional support: Backed by a dedicated technical team with deep expertise in Caterpillar 312D2/M313D/M315D/M315D2/M317D2 engine accessory systems and crankshaft pulley maintenance. We offer 7×24 online assistance, including step-by-step installation guides (with model-specific mounting torque charts and belt alignment tips), maintenance recommendations (e.g., periodic pulley groove inspection, belt tension checks), and troubleshooting for issues like abnormal noise, belt slippage, or pulley wobble. Our team ensures an average response time of <2 hours.
   - Cost-effective reliability: Delivers Caterpillar OEM-level performance at a competitive price, avoiding the premium of original dealer parts for crankshaft pulleys. Its durable construction (high-strength alloy body, heat-treated groove surfaces) extends service life by up to 40% compared to generic alternatives, reducing long-term replacement costs by 25%. It also minimizes unplanned downtime caused by pulley failure—preventing costly accessory repairs and delays in construction or earthmoving projects.

   About SPARKLING MACHINERY:
   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

   Get In Touch:
   - Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.