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Brand: C.OEFT
OE numbers: 21176106501000
Product Name: Engine Timing Camshaft Gear
Compatible model: 7700108671
Product status: New
Number of teeth on the product: 38
Product weight: 1.1442KG
Packaging size: 13.5*13.5*8 cm
Product packaging: Neutral Packaging
Car Series: Lada (Russia)
Car Type: For Lada (Russia)
As the "link" between the crankshaft and camshaft in the Renault 2.0 engine, this gear ensures strict synchronization of their rotational speeds (the camshaft rotates at 1/2 the crankshaft speed). By accurately meshing with the timing chain (or belt) and transmitting power from the crankshaft to the camshaft, it guarantees that the intake/exhaust valves open and close at the exact moment corresponding to the piston’s stroke (e.g., opening the intake valve when the piston moves down in the intake stroke, closing it before the compression stroke starts). This prevents valve-piston collision and ensures the engine’s basic operating order.
2. Support Stable Valve Actuation
The gear’s precision-machined tooth profile and camshaft mounting interface ensure smooth power transmission to the camshaft. It enables the camshaft to drive the valve train (rocker arms, valve lifters, etc.) with consistent force and speed, avoiding irregular valve movement caused by gear tooth wear or misalignment. This stability is critical for preventing issues like valve leakage (from improper closing) or excessive valve train noise, ensuring the engine maintains stable air intake and exhaust efficiency.
3. Adapt to Renault 2.0 Engine’s Dynamic Requirements
Tailored to the power output characteristics of Renault’s 2.0-liter engine (typically focusing on balanced low-end torque and mid-high speed power), the gear’s structural design complements the engine’s timing strategy. For example, during low-speed, high-load scenarios (e.g., urban driving or uphill climbing), it maintains tight timing control to enhance combustion stability and torque delivery; during high-speed operation, it ensures rapid, consistent camshaft rotation to match the engine’s demand for high airflow, supporting sustained power output.
Manufactured in strict compliance with Renault’s original engineering specifications, the gear’s tooth pitch, inner hole diameter, and mounting bolt positions are 100% matched to the Renault 2.0 engine’s timing system. It can be directly replaced with the original gear without modifying the camshaft seat, timing cover, or chain tensioner—eliminating the risk of timing deviation caused by mismatched aftermarket parts. This ensures the engine retains its original performance parameters (e.g., power, fuel consumption) after replacement.
2. High-Durability Materials for Engine Harsh Environments
The gear is made of high-strength ductile iron or alloy steel (depending on the specific engine variant), with a surface treated by nitriding or carburizing. This process enhances its wear resistance (to withstand long-term meshing with the timing chain/belt) and high-temperature stability (to endure the 150–200℃ environment inside the engine). Under normal maintenance, its service life can exceed 180,000 kilometers, reducing the frequency of timing system overhauls.
As a dedicated component for Renault 2.0 engines, it is widely available in official after-sales channels and trusted aftermarket suppliers. Its straightforward installation process (no special tools required for replacement) shortens repair time, while its long service life lowers long-term maintenance costs for vehicle owners. Compared to universal timing gears, it avoids the need for repeated adjustments or replacements due to poor compatibility, further reducing overall ownership costs.
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