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- Premium Quality & Broad Compatibility
- Quick & Easy Bolt-On Installation
- Top-Tier Aftermarket Replacement Parts
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- Precision-Crafted for Perfect Fitment
- High Performance & Long-Lasting Durability
Starter Mounting Position & Core Functions
The starter, a key component of a vehicle’s starting system, is typically mounted on the engine block near the flywheel or flexplate, at the joint between the engine and transmission. This position allows its drive gear to mesh smoothly with the engine’s flywheel teeth, ensuring efficient power transfer. Its mounting bracket is fixed with bolts for stability, preventing vibration or displacement during operation.
The core function of the starter is to convert electrical energy from the battery into mechanical rotational energy. When the ignition switch is activated, it drives the engine crankshaft to rotate, enabling the engine to start running on its own. It provides strong instantaneous torque to overcome engine compression resistance. Additionally, the starter automatically disengages from the flywheel once the engine fires up to avoid damage. Reliable mounting and proper positioning directly affect starting performance, durability, and overall vehicle reliability.
Key Specifications
Rotation:CCW
Teeth:10
Voltage:12
Starter Type:PMDD
Power Rating:0.8
Number of Holes:2
Compatible Part Numbers
Polaris: 4013059, 4013245, 4013059, 4013245
Lester: 19881
PIC: 191-199
Arrowhead: SMU0518
J & N Automotive: 410-54151
Vehicle Application
Polaris Ranger RZR XP 4 900 2012 L 875cc Mitsuba PMDD / CCW; 12v / 10 Spline
Polaris Ranger RZR XP 900 2012 L 875cc EFI Mitsuba PMDD / CCW; 12v / 10 Spline
Polaris Ranger RZR XP 900 2012 L 875cc INTL Mitsuba PMDD / CCW; 12v / 10 Spline
Polaris Ranger RZR XP 900 2011 L 875cc Mitsuba PMDD / CCW; 12v / 10 Spline
Basic Installation Steps for the Starter
1. Preparation
- Disconnect the negative battery cable to avoid short circuits.
- Check the new starter for damage, ensure mounting holes, gear teeth and electrical terminals match the original.
- Prepare basic tools: wrench set, socket set, screwdriver, gloves.
2. Remove the Old Starter
- Locate the starter on the engine, usually near the flywheel / flexplate.
- Disconnect the positive power cable and any small control wires from the starter solenoid.
- Remove the mounting bolts that hold the starter to the engine block or transmission bell housing.
- Carefully take out the old starter.
3. Install the New Starter
- Position the new starter into place, aligning with the mounting holes.
- Hand-thread the mounting bolts first, then tighten them evenly to the manufacturer’s torque specification.
- Reconnect the electrical wires: main power cable and small control terminal, ensuring tight and secure connections.
4. Final Check & Test
- Double-check all bolts and wiring to ensure no loose connections.
- Reconnect the negative battery cable.
- Start the engine to verify normal cranking and operation.
- Confirm no abnormal noise, sparks or oil leaks around the starter.
Safety & Installation Instructions
- Always disconnect the negative battery cable before installation. Never work with live circuits to prevent short circuits, sparks, or accidental engine startup.
- Verify the new starter matches the original in gear teeth count, mounting hole pattern, and terminal layout to ensure proper fit and function.
- Handle the starter gently; avoid dropping or striking the gear assembly or solenoid. Do not force the unit into position.
- Tighten mounting bolts diagonally and evenly to the manufacturer’s specified torque to avoid loosening or cracking the housing.
- Connect wires correctly—never reverse polarity. Ensure all terminals are tight and secure to prevent overheating from loose connections.
- Do not force the starter gear into mesh with the flywheel/flexplate; this can cause tooth damage.
- After installation, check that wires and harnesses do not interfere with hot exhaust components, belts, fans, or other moving parts.
- If the engine cranks poorly, makes unusual noises, or spins freely without engaging, stop immediately and inspect. Avoid prolonged or repeated cranking.
- Wear protective gloves and use only intact tools. Be mindful of hot surfaces and pinch points.
Important Tips
1.It is highly recommended to double-check your vehicle’s make, model, production year, and original equipment (OE) part number before placing an order to ensure perfect compatibility and correct fitment for your automobile.
2.If you have any questions regarding vehicle compatibility, part selection, or installation procedures, please feel free to contact our professional support team at any time for further assistance.
3.Prevent unexpected vehicle breakdowns and electrical failures caused by a faulty starter! Our premium-quality starter provides quick shipping, precise OEM-style fitment, stable charging performance, and excellent durability for long-term use.
