Toyota 1121375050 — Cylinder Head Cover Gasket
Overview
Rocker cover gasket Toyota 1121375050 seals the interface between the valve cover and the cylinder head, preventing engine oil leaks into the engine bay and spark plug wells. Manufactured from heat-resistant acrylate rubber (ACM), this component withstands contact with engine lubricants, positive crankcase pressure, and operational temperatures ranging from -40 °C to +150 °C. The seal matches the exact mounting profile of the cylinder head casing, featuring a 6.5 mm profile thickness. Genuine Toyota part number 1121375050 supersedes OEM cross-references 11213-75030 and 11213-75040. The elastomeric structure maintains elasticity under specified bolt tightening torque of 10 Nm without cracking or distortion.
This engine seal fits Toyota Hilux VII and VIII, Fortuner, HiAce IV and V, plus Land Cruiser Prado 120 and 150 models fitted with 2.0 1TR-FE and 2.7 2TR-FE four-cylinder petrol engines produced between 2004 and 2022. Replacement is required when oil weeping appears around the cylinder head mating surface, oil accumulates inside the spark plug tubes, or during valve clearance adjustments and timing chain servicing. Over extended service intervals, thermal cycling causes the original rubber material to harden, shrink, and crack, compromising fluid retention. Correct replacement restores complete seal integrity across all oil galleries and valvetrain chambers.
Toyota 1121375050 — cylinder head cover gasket. 5 offers available, starting from 28.56 USD.
Specifications
Manufacturer — Toyota. Article number — 1121375050. Name — Cylinder Head Cover Gasket. Offers — 5. From — 28.56 USD.
Compatible cross-references
Replacements and analogues: Toyota 112130C020, Toyota 112130C030, Toyota 112130C020, Toyota 112130C030, ELRING 094920, Genuine Parts 1121375050, Mito 1121375050, Nippon Motors 1121375050, THG 112140C010.
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