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This best-selling hydraulic timing chain tensioner with OE number 03F109507B is specially upgraded for VAG EA111 1.2 TSI petrol engines (CBZA 63kW/86HP, CBZB 77kW/105HP). All thread size, outer hexagonal dimension, internal spring elastic coefficient and hydraulic valve structure fully match OEM original specifications, supporting direct plug-and-play installation without adjustment during timing system maintenance.
Reinforced high-strength alloy steel main body
The tensioner housing adopts high-precision forged alloy steel, surface anti-rust passivation treatment, resisting long-term high-temperature engine oil erosion. The thickened threaded wall improves tensile strength to avoid thread slipping during installation. The built-in high-fatigue resistant spiral spring maintains constant pre-tightening force after thousands of cold-start cycles, effectively solving timing chain slack problems of aging original tensioners.
Optimized hydraulic damping internal structure
Adopts upgraded one-way hydraulic check valve design. It quickly builds stable oil pressure within 1–3 seconds after cold startup to eliminate obvious rattling noise from the engine compartment, a common fault of old CBZA engines. The internal hydraulic buffer absorbs chain vibration during acceleration and deceleration, restricts chain jumping teeth risk, and prevents valve-piston collision and severe engine damage caused by timing disorder.
1:1 OEM outline ensures seamless matching with timing chain guides and cylinder head mounting positions, no modification required for assembly.
Strict multi-round factory quality inspection
Each tensioner undergoes hydraulic pressure retention test, spring fatigue cycle test, high-low temperature oil immersion aging test before delivery. It completely fixes typical timing system faults of CBZA engines: cold start chain rattle, timing chain elongation, chain jumping teeth, unstable engine idle, power drop and engine fault light alert.
Flexible MOQ, customizable neutral export packaging, sufficient spot stock and 12-month warranty support one-stop bulk procurement for global VAG professional repair shops and auto parts distributors.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
10000000-50000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Boigevis trading （GuangZhou）Co., Ltd is a company specializing in the sale of engine parts. Our main service models are Germany car.
We have been focus on engine parts for many years and are the Leading global engine system integrator. Both research and development and sales are among the best ... Boigevis trading （GuangZhou）Co., Ltd is a company specializing in the sale of engine parts. Our main service models are Germany car.
We have been focus on engine parts for many years and are the Leading global engine system integrator. Both research and development and sales are among the best ...
