APEX Automobile Parts Inc Engine Cylinder Head Bolt Set P/N:AHB551
Secure the cylinder head to the block during head gasket or cylinder head service with the APEX Cylinder Head Bolt Set AHB534. It is a direct-fit replacement for the listed applications and fits many vehicles, among them the 2002-2018 Nissan Altima 3.5L, 1995-2014 Nissan Maxima 3.0L / 3.5L and 2001-2020 Nissan Pathfinder 3.5L / 4.0L; see the Buyer's Guide tab for the full list.
Head bolts clamp the cylinder head down onto the engine block and hold the head gasket under compression so it can seal between the two surfaces. Bolts that are stretched, corroded or have damaged threads may need replacing when the head comes off.
What does a cylinder head bolt set do?
Head bolts clamp the cylinder head to the engine block, holding the head gasket under compression so it can seal between the head and the block.
Which engines is APEX AHB534 listed for?
It is listed for V6-2.5L, V6-3.0L, V6-3.5L and V6-4.0L applications in select Nissan, Infiniti and Suzuki models. Check the Buyer's Guide tab for your exact year, model and engine.
How many sets do I need?
The listed applications use one set per application.
When is an engine cylinder head bolt set typically installed?
Head bolts are commonly installed during head gasket or cylinder head service. Follow the vehicle service information for the tightening sequence and torque procedure.
Can I reuse my original head bolts?
Some head bolts are designed for single use. Consult the vehicle service information for your engine to confirm whether the originals may be reused and the correct torque procedure.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.