861563 Serpentine Belt Tensioner Pulley for Volvo Penta KAD42P-A KAMD42P-A KAD42B KAMD42B KAD32P KAD43P-A KAMD43P-A KAD44P KAD44P-B KAD44P-C KAMD44P-A KAMD44P-C TAMD42WJ-A TAMD42B | JLM Marine

Serpentine Belt Tensioner Pulley – Fits Volvo Penta KAD42P-A, KAMD42P-A, KAD42B, KAMD42B, KAD32P, KAD43P-A, KAMD43P-A, KAD44P, KAD44P-B, KAD44P-C, KAMD44P-A, KAMD44P-C, TAMD42WJ-A, TAMD42B

This Serpentine Belt Tensioner Pulley is engineered to fit Volvo Penta diesel engines including the KAD42P-A, KAMD42P-A, KAD42B, KAMD42B, KAD32P, KAD43P-A, KAMD43P-A, KAD44P, KAD44P-B, KAD44P-C, KAMD44P-A, KAMD44P-C, TAMD42WJ-A, and TAMD42B models. Designed for reliable performance, this tensioner pulley maintains proper belt tension to ensure smooth engine operation.

This part directly replaces Volvo Penta OEM part numbers 861563 and 877180, as well as Orbitrade part number 18563, providing a cost-effective aftermarket solution for your maintenance needs.

• Maintains proper serpentine belt tension for optimal engine performance
• Direct replacement for Volvo Penta diesel engine applications
• Compatible with multiple KAD, KAMD, and TAMD series engines

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 × Serpentine Belt Tensioner Pulley

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning work.
2. Locate the existing serpentine belt tensioner pulley on your Volvo Penta diesel engine.
3. Using the appropriate wrench, relieve tension on the serpentine belt by rotating the tensioner mechanism.
4. Carefully remove the serpentine belt from the pulleys, noting the routing path for reinstallation.
5. Remove the fastening bolt or hardware securing the tensioner pulley to the engine bracket.
6. Extract the old tensioner pulley from its mounting location.
7. Inspect the mounting area and clean any debris or buildup before installing the new pulley.
8. Position the new tensioner pulley onto the mounting bracket, ensuring proper alignment.
9. Secure the tensioner pulley with the original fastening hardware, torquing to manufacturer specifications.
10. Route the serpentine belt back onto all pulleys following the correct path.
11. Apply tension using the tensioner mechanism and verify the belt is properly seated on all pulleys.
12. Reconnect the battery, start the engine, and check for proper belt operation and tension.

Troubleshooting & FAQ

Q: How do I confirm this tensioner pulley fits my Volvo Penta engine?
A: Cross-reference your engine model with the Compatible Engine Models table above. Verify your current part number matches 861563, 877180, or Orbitrade 18563 to ensure proper fitment.

Q: What are the signs that my belt tensioner pulley needs replacement?
A: Common symptoms include squealing or chirping noises from the belt area, visible wobbling or play in the pulley, belt wear or slipping, and difficulty maintaining proper belt tension. If you notice any of these issues, inspect and replace the tensioner pulley promptly.

Q: How often should I replace the serpentine belt tensioner pulley?
A: Inspect the tensioner pulley during routine maintenance intervals or whenever you replace the serpentine belt. Replace it if you notice excessive wear, noise, or bearing play. Typical service intervals vary by operating conditions, but replacement every 2–4 years or when symptoms appear is recommended.

Q: What's the difference between this aftermarket part and the OEM version?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.