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The Toyota 1RZ is a 2.0 litre petrol inline four, SOHC with 8 valves, naturally aspirated and carburetted. It runs an 86 mm bore where the 2.4 litre 2RZ runs 95 mm. Toyota fitted it from 1989 to the mid 2000s in the Hiace RZH van and the Hilux RZN ute. The 1RZ uses a timing chain, not a belt.We stock 12 parts for the 1RZ.
1RZ pistons, rings and bearings
NVP piston sets and ring sets in 1mm oversize boxed for the 1RZ-E, ACL and NDC main bearing sets in standard and 0.5mm undersize, an ACL conrod bearing set, NDC thrust washers and a pin bush set. The bearings and thrust washers carry 1RZ, 2RZ and 3RZ on the box because the crank journals are common. Pistons do not cross over between the two bores, so read the code stamped on the block before you order a set.
Timing chain parts
A genuine camshaft timing sprocket, an NVP chain tensioner and a genuine timing cover for early engines, all shared with the 2RZ and the 2.7 litre 3RZ. Most of this page is listed across the RZ family, and the fuel injected 1RZ-E page holds the items boxed for that code alone.
1RZ water pump
An NPW water pump listed for the 1RZ.
Other 1RZ parts we stock
An NVP inlet manifold gasket boxed for the injected 1RZ-E, 2RZ-E and 3RZ-E.
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