Koyo PU305729ARR1DW1 — Tensioner Pulley Bearing
Overview
Belt tensioner pulley Koyo PU305729ARR1DW1 maintains correct timing or drive belt tension and routing inside the engine timing system. This component features an integrated sealed deep-groove ball bearing filled with high-temperature synthetic grease and fitted with double-lip DW contact rubber seals to prevent dust, grit, and moisture ingress. Key dimensions include an outer diameter of 57 mm, a width of 29 mm, and an inner mounting bore diameter of 10 mm. The heavy-duty steel pulley body resists thermal expansion and mechanical deformation under high rotational speeds and radial loads. OEM reference numbers include Toyota 13503-62040, 13503-0A010, 13503-62030, and Daihatsu 13503-62040-000.
Fitment covers Toyota Camry, Harrier, Highlander, Sienna, Solara, RAV4, Land Cruiser Prado 90, 4Runner, and Hilux, alongside Lexus RX300, RX330, and ES300 models produced between 1996 and 2008. Compatible with 1MZ-FE 3.0L, 3MZ-FE 3.3L, and 5VZ-FE 3.4L V6 petrol engines. Replacement is recommended during scheduled timing belt interval service every 100 000 km. Immediate replacement is required if mechanics detect bearing play, surface roughness, unusual rumbling, squealing noises, grease leakage, or pulley seizure, which can lead to premature belt failure and severe internal engine damage.
Koyo PU305729ARR1DW1 — tensioner pulley bearing. 6 offers available, starting from 22.68 USD.
Specifications
Manufacturer — Koyo. Article number — PU305729ARR1DW1. Name — Tensioner Pulley Bearing. Offers — 6. From — 22.68 USD.
Compatible cross-references
Replacements and analogues: MITSUBISHI MD151447, MITSUBISHI MD319022, STELLOX 0340065SX, 3RG 84050, ABS 57326.
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