Pioneer Cables DA-3515 Engine Harmonic Balancer

Reliable Engine Harmonic Balancer for Ford and Mercury Vehicles

The Pioneer Cables DA-3515 engine harmonic balancer is designed to restore proper engine balance and reduce vibration in select Ford and Mercury models. Engineered as a standard replacement, this balancer supports smooth operation for vehicles like the Ford Mustang and Mercury Cougar.

• Inside diameter options: 1.375 inches (35 mm)
• Outside diameter options: 6.5 inches (166 mm)
• Four pulley grooves for flat drive belts
• Four mounting holes for secure installation
• Depth measurements: 3.5 inches and 89 mm
• Standard replacement grade type

About the OE Replacement Balancer Product Line

The OE Replacement Balancer line by Pioneer Cables focuses on providing direct-fit harmonic balancers that meet original equipment specifications. This ensures compatibility and reliable performance for engine components in Ford and Mercury vehicles. The DA-3515 part number is part of this line, offering a balance of durability and precision for cylinder block components.

Detailed Product Description

The DA-3515 engine harmonic balancer is crafted to fit a range of Ford and Mercury models including the Bronco, F-100, F-150, F-250, F-350, Mustang, Thunderbird, Colony Park, LTD, Marquis, and Montego. It features a 1.375 inch (35 mm) inside diameter and a 6.5 inch (166 mm) outside diameter, designed to accommodate flat drive belts with four pulley grooves. The balancer includes four mounting holes to ensure a secure fit on the engine’s cylinder block. With a depth of 3.5 inches (89 mm), it maintains proper alignment and vibration dampening to protect engine components from harmonic stress.

Common Applications and Issues Addressed

• Reduces engine vibration and noise caused by imbalanced crankshaft rotation
• Prevents premature wear on belts and pulleys in Ford and Mercury engines
• Restores proper timing and accessory drive function
• Addresses crankshaft pulley wobble or misalignment
• Replaces worn or damaged harmonic balancers in classic and modern Ford/Mercury models

Installation Notes and Tips

Ensure the engine is cool and the vehicle is securely supported before installation. Verify the inside and outside diameter measurements match your vehicle’s specifications. Use appropriate tools to align the four mounting holes precisely. Note that this part does not include bolts or washers, so retain original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid damage to the balancer or crankshaft.

Quality Assurance and Warranty

The Pioneer Cables DA-3515 harmonic balancer is manufactured to meet standard replacement grade requirements, ensuring consistent performance and durability. While specific warranty details are not provided, Pioneer Cables products typically adhere to industry quality standards for engine components. For best results, confirm compatibility with your Ford or Mercury model before purchase.