BGA Hydraulic Valve Lifter / Tappet – Mazda MX-5 MK1 / NA • HL6309

BGA HL6309 Hydraulic Valve Lifter / Tappet

Replacement BGA hydraulic valve lifter for selected Mazda MX-5 MK1 / NA 1.6L and 1.8L petrol engines equipped with hydraulic valve lifters, alongside other compatible Mazda engine applications listed in the vehicle compatibility table.

The BGA HL6309 is an aftermarket hydraulic tappet designed to maintain the correct operating clearance within the engine valve train. Hydraulic lifters use engine oil pressure to automatically compensate for valve-train clearance, helping maintain consistent valve operation throughout normal engine use.

Located within the cylinder head valve-train assembly, hydraulic lifters are essential components responsible for supporting correct valve operation. When lifters become worn, contaminated or unable to maintain hydraulic pressure, they may produce noticeable ticking or tapping noises, particularly during cold starts or changes in engine speed.

The HL6309 features a 30mm diameter hydraulic design and is suitable for specified intake and exhaust valve positions. It provides a replacement option when repairing worn or malfunctioning hydraulic valve-train components.

This product is sold individually, allowing replacement of individual faulty components or the purchase of multiple lifters for a complete valve-train overhaul.

Product features and specifications:

• Product type: Hydraulic valve lifter / tappet
• Primary use: Hydraulic valve clearance compensation
• Location / system: Engine cylinder head / valve train
• Fitting position: Intake or exhaust, where specified
• Operating mode: Hydraulic
• Diameter: 30mm
• Quantity supplied: 1 individual hydraulic valve lifter
• Full engine replacement quantity: 16 units on applicable 16-valve hydraulic-lifter engines
• Brand: BGA (BG Automotive)
• Manufacturer Part No.: HL6309
• EAN: 5038205525498
• Application: Specified Mazda and other compatible petrol engines using the listed hydraulic lifter design

Common failure symptoms: Worn or malfunctioning hydraulic lifters may produce tapping, ticking or rattling noises from the cylinder head. Symptoms can become more noticeable during cold starts, prolonged idling or when engine oil condition and pressure are unsuitable. Similar noises may also result from other valve-train or lubrication faults, so correct diagnosis is important before replacement.

Fitment advice: Designed for the confirmed hydraulic-lifter applications listed in the compatibility table. This component must be matched to the engine's original hydraulic valve-train arrangement. Engines fitted with mechanical or solid valve lifters require the appropriate alternative components.

Other items to consider: When replacing hydraulic valve lifters, you may also want to consider purchasing a replacement camshaft cover gasket, suitable engine oil, oil filter, camshaft oil seals, timing belt components and other cylinder head service parts as required by the repair.

Useful tools / consumables: Socket set, torque wrench, camshaft timing tools, suitable engine assembly lubricant, clean engine oil, gasket cleaning equipment and workshop cleaning materials.

Difficulty guide: DIY Difficulty: Advanced. Replacement generally involves disassembly of engine valve-train components and may require removal of the camshafts. Correct engine timing, lubrication, tightening sequences and component installation procedures are essential.

Why BGA? BG Automotive is an established aftermarket engine components specialist supplying replacement valve-train components, gaskets, timing systems and other engine repair parts. The HL6309 provides a replacement hydraulic lifter for supported engine applications, making it suitable for repairs and planned cylinder head maintenance.

What's in the box: 1 × BGA HL6309 Hydraulic Valve Lifter / Tappet.

Installation / service notes: Installation should follow the correct vehicle manufacturer's engine repair procedure. Maintain strict cleanliness during valve-train disassembly and assembly, lubricate components as required and inspect the camshafts, contact surfaces and engine oil supply. Follow the applicable preparation and installation instructions for hydraulic lifters. Reassemble using the specified tightening sequences and timing procedures. Replace associated seals and gaskets where required and ensure correct engine oil pressure and lubrication before normal operation.