Parts for your 2014 Toyota Rav4-Manifold gasket

2014 Toyota RAV4 manifold gasket: what it is, why it matters, and when to replace it

For the 2014 Toyota RAV4, a manifold gasket is absolutely used and relevant. Toyota’s factory Repair Manual for the 2013–2018 RAV4 (engine sections for 3ZR‑FAE 2.0L, 2AR‑FE 2.5L, and 2AD‑FTV 2.2L diesel) details removal and installation procedures that specify replacing the intake and exhaust manifold gaskets once disturbed. Toyota’s Electronic Parts Catalogue (covering RAV4 model codes such as ZSA42, ASA44 and ALA49) also lists “Gasket, Intake Manifold” and “Gasket, Exhaust Manifold” for these engines. Those technical sources confirm the part is fitted from factory and is a service item when manifolds are removed.

On a 2014 RAV4, the manifold gasket sits between the cylinder head and the intake or exhaust manifold to keep everything sealed under heat and pressure. On the intake side it prevents unmetered air sneaking in, which would throw out fuel trims and cause lean running, rough idle or hesitation. On the exhaust side it keeps hot gases in the manifold so the engine stays quiet, the oxygen sensor reads properly, and there’s no sooty blow‑by under the bonnet.

There’s no fixed replacement interval in normal servicing, but gaskets are replaced any time the manifold comes off—think carbon clean on a diesel intake, swapping a manifold, or chasing a leak. Use new quality gaskets (OEM or equivalent), clean both sealing faces until they’re smooth and free of old material, and follow the Toyota torque specs and tightening sequence. Don’t add extra sealant unless the manual specifically calls for it. On the exhaust, check studs and nuts