Honda 14510RNAA01 — Cam Chain Tensioner
Overview
Timing chain tensioner Honda 14510RNAA01 maintains specified chain tension within the engine timing system on R-series petrol units. The body is cast steel with precision-machined internal oil galleries. Internal components comprise a 12 mm diameter steel plunger, anti-backlash ratchet mechanism, and internal return spring. The unit operates via engine oil pressure combined with mechanical spring force to prevent timing chain slack, jump tooth conditions, and guide shoe oscillation. Fixing is via two M6x1.0 bolt holes positioned at 48 mm centre-to-centre distance, with a mounting flange thickness of 22 mm. Direct cross-reference OEM numbers include 14510-RNA-A01 and 14510-RNA-A02. Total unit mass is 210 g.
Fitment covers Honda Civic VIII (2006–2011) 1.8 L R18A engine, Honda Civic IX (2012–2016) 1.8 L R18Z engine, Honda CR-V III (2007–2012) 2.0 L R20A engine, and Honda FR-V (2007–2009) 1.8 L R18A engine. Replacement is required during full timing system overhauls or upon detecting excessive chain noise. Common failure symptoms include metallic rattling from the timing cover during cold starts, stuck plunger movement, worn ratchet teeth, internal seal oil leakage, or extended plunger travel resulting from timing chain elongation. Mechanics inspect this unit when servicing variable valve timing systems.
Honda 14510RNAA01 — cam chain tensioner. 6 offers available, starting from 121.12 USD.
Specifications
Manufacturer — Honda. Article number — 14510RNAA01. Name — Cam Chain Tensioner. Offers — 6. From — 121.12 USD.
Compatible cross-references
Replacements and analogues: JAPANPARTS KDK400, KAMOKA 7001650, INA 551023110, INA 559010810, JapanParts KDK400.
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