13810-PLM-A01 13810-PLC-003 HONDA CIVIC D17 1.7L ENGINE CRANKSHAFT PULLEY

Introduction to Technical Precision

The D17 engine drives two separate accessory belts from a single crankshaft pulley — a 6PK main serpentine and a 4PK auxiliary — making groove alignment and concentricity critical. Any deviation in rib spacing or axial runout between the two tracks will cause belt edge wear, noise, and premature tensioner failure. This pulley is machined to maintain perfect concentricity across both rib tracks, ensuring each belt tracks true regardless of accessory load distribution.

Manufacturing and Performance Standards

Engineered for the 2001-2005 Honda Civic EM2/ES1/ES2 chassis equipped with the D17A, D17A1, and D17A2 1.7L SOHC engines, plus the Acura EL 1.7L. The 6+4PK dual-rib configuration is a unique D17 design requirement, with the 6-rib section driving the alternator and A/C while the 4-rib section powers the power steering pump independently. External diameter 171mm, center bore 28mm, and height 58.5mm — the compact height accommodates the tight longitudinal clearance in the seventh-generation Civic engine bay.

Advanced Material Standards

Cast from high-density ductile iron with uniform graphite distribution to maintain dimensional stability across both rib tracks under thermal expansion. The elastomeric damping ring uses a thermally cured synthetic rubber compound with high shear modulus, bonded to the iron core through a controlled vulcanization cycle. This ensures consistent rib-to-rib spacing between the 6PK and 4PK sections does not drift over the service interval, preventing the belt mistracking that commonly triggers tensioner wear and cabin noise complaints in aging D17 platforms.

Inquiry and Technical Support

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