Engine Timing Gear Housing for Toyota Vehicles

Why this part is needed

This front cover shelters the timing chain and sprockets, keeps oil where it belongs, and locks camshaft and crankshaft alignment. It seals the engine front with a gasket and front crank seal, so the valve timing stays precise, noise is reduced, and dirt stays out. A healthy housing prevents oil leaks, supports guides/tensioners, and protects sensors and pulleys for long engine life.

How it works ⚙️

Bolted to the block, the rigid casing forms a lubricated chamber around the timing set. It routes oil, seats the front main seal, and provides fixed geometry so chain tensioners, idlers, and guides operate correctly. By keeping the chain bathed in oil and debris-free, it maintains stable timing under heat, load, and vibration.

What happens if it’s damaged

• Oil leaks at the gasket or crank seal, low oil level, burning smell
• Rattle or chain rub from misalignment; early chain/guide wear
• Erratic timing, rough idle, poor power, possible MIL on
• Contamination enters, leading to accelerated component failure
• In severe cases: chain skip → engine damage

Tech tip ✅

Always replace the gasket and front seal, clean mating faces, apply RTV at joint corners, and torque to spec in sequence. Inspect chain, guides, and tensioner; prime oil and leak-test after start. Choose OE-grade material for perfect fit and long service.

Compatibility

• Chaser
• Cresta
• Crown
• Crown Comfort
• Crown Comfort/Sed
• Crown/Crown Majesta
• Dyna
• Dyna 100
• Dyna 150
• Dyna 150/Toyoace G15
• Dyna/Toyoace
• Fortuner
• Fortuner (Suv)
• Hiace
• Hiace Truck
• Hiace Van,Commuter
• Hiace/Hiace S.b.v
• Hiace/Regiusace
• Hilux
• Hilux (Double Cab)
• Hilux (Scb/Xtr)
• Hilux 2Wd
• Hilux/4Runner (4Wd)
• Land Cruiser
• Land Cruiser 90
• Land Cruiser Prado
• Mark 2
• Qualis
• Quick Deli/Urban Sup
• Quick Delivery
• Regius/Touring Hiace
• T.u.v