Maintain secure rocker cover attachment and prevent oil leaks with this Genuine Nissan Rocker Cover Bolt, designed for Nissan Patrol GQ Y60 and GU Y61 models fitted with TB42 and TB45 petrol engines. These OEM fastener secure the rocker (valve) cover to the cylinder head, ensuring a consistent seal and proper fitment under normal engine operating conditions.

Over time, original rocker cover bolts can stretch, corrode, or shear due to repeated heat cycles, vibration, and extended use. Loose or damaged fasteners may lead to oil seepage around the valve cover, uneven sealing pressure, and potential contamination of surrounding engine components. Replacing them with genuine Nissan hardware during rocker cover gasket service or valve cover removal helps maintain optimal engine seal integrity.

Manufactured to Nissan factory specifications, this genuine bolt ensure correct length, thread engagement, and durability required for reliable rocker cover clamping. It is an essential maintenance item when servicing the rocker cover gasket, performing tune-ups, or overhauling the top end of your TB42 or TB45 engine.

Features & Benefits

• Genuine Nissan OEM fasteners for precise fitment and long-term reliability
• Designed specifically for Nissan Patrol GQ Y60 & GU Y61 TB42 and TB45 engines
• Secures rocker cover to cylinder head to maintain proper sealing
• Helps prevent oil leaks and preserve clean engine bay
• Correct bolt lengths ensure even clamping pressure
• Corrosion-resistant finish for durability in engine environments
• Constructed from high-strength steel to resist stretching and fatigue
• Direct replacement with no modifications required

Vehicle Fitment

Suitable for:

• Nissan Patrol GQ Y60 TB42 petrol engine
• Nissan Patrol GU Y61 TB42 petrol engine
• Nissan Patrol GQ Y60 TB45 petrol engine
• Nissan Patrol GU Y61 TB45 petrol engine

Please confirm compatibility before purchase or contact us with your VIN for assistance.

Common Signs of Worn or Damaged Rocker Cover Fasteners

• Oil seepage or leaks around the valve cover
• Loose or missing bolts/screws after service
• Uneven sealing pressure resulting in gasket extrusion
• Corroded hardware visible during inspection
• Rocker cover removal during engine maintenance

Replacing these essential rocker cover bolts helps ensure proper engine sealing, prevents oil leaks, and supports long-term reliability of your TB42 and TB45 Patrol engines.