Pioneer Cables DA-3950 Engine Harmonic Balancer

OE Replacement Harmonic Balancer for GM V8 Applications

Pioneer Cables DA-3950 is an OE Replacement Balancer built for GM trucks, vans, and SUVs that need a direct-fit engine harmonic balancer. It is engineered to match original design requirements for proper installation and dependable crankshaft vibration control.

Compatible With 1994-2002 Chevrolet and GMC applications including C1500, K1500, C2500, K2500, C3500, K3500, Suburban, Tahoe, Yukon, Express 2500, Express 3500, Savana 2500, Savana 3500, P30, P3500, G20, G30, G2500, G3500, and Blazer.

• Part number: DA-3950
• OE Replacement Balancer from Pioneer Cables
• Inside diameter: 1.625 in. / 41 mm
• Outside diameter: 8 in. / 203 mm
• Depth: 2.4375 in. / 62 mm
• 4 pulley grooves
• 4 mounting holes
• Flat drive belt type
• Standard replacement grade
• Sold without bolt and washer

Product Line Details

Pioneer Cables OE Replacement Balancer line is developed to follow OE design dimensions and construction details. The balancer uses high-grade metal and bonded or pressed rubber components built to original specifications, with precision machining and dynamic balancing for consistent operation.

Detailed Description

The Pioneer Cables DA-3950 harmonic balancer is made for GM engine applications that require a solid OE-style replacement. It is designed around original equipment dimensions so it installs correctly and supports proper crankshaft damping in vehicles such as Chevrolet Express 2500, Chevrolet C2500, GMC Savana 3500, and GMC Yukon. This part cross-references Standard Ignition PC1050 for the same application.

What It Helps Address

• Crankshaft vibration from a worn or separated balancer
• Timing mark movement caused by balancer deterioration
• Belt drive issues related to pulley alignment or wear
• Noise from rubber bond failure in the original balancer
• Service replacement needs on high-mileage GM trucks and vans

Installation Notes and Tips

Verify the engine’s balancer dimensions, pulley groove count, and mounting-hole pattern before installation. Confirm the vehicle uses a solid OE replacement balancer with a 7.992 in. outer diameter and flat belt configuration. Inspect the crank snout, keyway, and front seal area during service, and replace worn related components as needed. Bolt and washer are not included.

Quality Assurance

Pioneer Cables manufactures this balancer to OE design standards using precision-machined components and dynamic balancing for consistent fit and function. The part is built with high-grade metals and rubber bonded or pressed to original specifications.