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OEM Replacement Parts

131mm Volvo D13F Piston 21105177 for FH13 FM13 Trucks EC380 EC480 Excavators

MOQ: 1pcs Price: Negotiable
Part No.
21105177 / 21041800, 7421105177
Engine Model
Volvo D13, D13A, D13F; Mack MP8
Material
Forged Steel / Monotherm Steel
Warranty
6 Months
Place of Origin
Guangdong, China
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Product Details

131mm Engine Spare Parts Piston Body 21105177 Fits Volvo Truck Fh13 Fm13 Excavator Ec380 Ec480 Diesel Engine Liner Kit

Product Overview

This heavy-duty engine piston, OEM number 21105177, is a critical component designed for the Volvo D13F diesel engine platform. Manufactured to a precise diameter of 131.00 mm, this piston body is engineered for demanding applications found in both on-highway trucks and heavy construction equipment.

Commonly used for the Volvo FH13 and FM13 truck series, as well as the Volvo EC380D and EC480D excavators, this component ensures reliable power transfer and combustion efficiency. As a direct replacement part, it serves as a compatible alternative to OE numbers 21041800 and 7421105177, offering a robust solution for engine overhauls and rebuilds.

Key Features & Benefits

  • Precision Engineering: Machined to a strict 131.00 mm diameter for exact fitment and optimal cylinder wall clearance, reducing friction and wear.
  • High-Strength Construction: Manufactured from forged monotherm steel, providing superior thermal resistance and structural integrity under high combustion pressures.
  • Direct OEM Replacement: Matches Volvo part numbers 21105177, 21041800, and 7421105177, ensuring seamless integration without modification.
  • Versatile Application: Compatible with multiple Volvo D13 engine variants (D13, D13A, D13F) and Mack MP8 engines, covering a wide range of heavy equipment.
  • Rigorous Quality Control: Each piston undergoes machinery test reporting and outgoing video inspection to confirm dimensional accuracy and surface finish.
  • Comprehensive Kit Compatibility: Designed to work with corresponding liner kits for a complete cylinder rebuild solution.

Technical Specifications

Specification Detail
Part Number 21105177
OEM Numbers 21041800, 7421105177
Engine Code Volvo D13, D13A, D13F; Mack MP8
Diameter 131.00 mm
Material Forged Steel / Monotherm Steel
Engine Type Diesel
Weight 5 kg
Warranty 6 Months
Reference Numbers MAHLE 038 73 00, NURAL 87-434400-10, PAI 811022
Place of Origin Guangdong, China

OEM Cross-Reference

This piston is a direct replacement for the following original equipment manufacturer numbers. Verify your existing part number against this list to confirm compatibility:

  • Volvo: 21105177, 21041800, 7421105177
  • MAHLE: 038 73 00
  • NURAL: 87-434400-10
  • PAI: 811022

Compatibility

This component is commonly used for the following vehicle and engine applications. Always verify fitment by cross-referencing your engine serial number and existing part number:

  • Engines: Volvo D13, D13A, D13F; Mack MP8
  • Trucks: Volvo FH13, FM13 series
  • Excavators: Volvo EC380D, EC480D

Global Supply & Distribution

We serve a global network of heavy equipment dealers, fleet operators, and repair shops. Our logistics capabilities ensure timely delivery to major industrial hubs worldwide:

  • North America: Fast shipping to ports in Los Angeles, Houston, and New York.
  • Europe: Reliable delivery to Rotterdam, Hamburg, and Antwerp.
  • Asia-Pacific: Efficient distribution to Singapore, Shanghai, and Dubai.
  • Middle East & Africa: Consistent supply to Jebel Ali, Dammam, and Durban.

We maintain inventory depth to support both single-unit orders and bulk fleet procurement. All shipments comply with international trade documentation standards.

Quality Assurance

Our manufacturing process adheres to strict quality management principles. Each part is traceable and tested to meet or exceed OEM specifications:

  • Manufacturing Standard: ISO 9001:2015 certified production facility.
  • Testing: Machinery test reports and outgoing video inspection provided for every batch.
  • Warranty: 6-month warranty against manufacturing defects in material and workmanship.
  • Packaging: Available in neutral, original, or customized brand packaging to suit your distribution needs.

FAQ

Q: Can this piston be used with the Volvo D13F engine in a 2018 FM13 truck?
A: This piston is designed for the Volvo D13F engine platform, which is commonly found in Volvo FH13 and FM13 trucks. While we cannot guarantee fitment for every specific model year due to engine revisions, the 131mm diameter and OE number 21105177 indicate compatibility with the D13F variant. Always compare the part number and physical dimensions with your existing piston before installation.

Q: Do I need to replace the piston rings and cylinder liner at the same time?
A: For optimal engine performance and longevity, we recommend replacing the piston rings, cylinder liner, and piston as a matched set. This ensures proper ring end-gap, liner-to-piston clearance, and seating. This piston is designed to work with a corresponding liner kit for a complete cylinder rebuild.

Q: What is the typical installation procedure for a monotherm steel piston?
A: Monotherm steel pistons require careful handling due to their single-piece construction. Ensure the cylinder bore is clean and within specification. Lubricate the piston and rings with clean engine oil prior to installation. Use a proper ring compressor to avoid damaging the rings or piston skirt. Torque connecting rod bolts to the manufacturer’s specified values in a progressive pattern. Always consult the engine service manual for your specific model.

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