GT4594 D12 D12A D12C FH12 FM12 Turbocharger 8148873 8112921 1677098 1677726 1677725 Volvo Engine

Product Details

Product Overview

This GT4594 turbocharger is a direct replacement component engineered for Volvo D12, D12A, D12C, FH12, and FM12 diesel engine platforms. Designed to restore engine power and fuel efficiency, this turbo assembly corresponds to multiple OEM part numbers including 8148873, 8112921, 1677098, 1677726, and 1677725. It is a critical air induction component that forces compressed air into the engine cylinders, enabling complete fuel combustion and maximum power output.

Commonly used in heavy-duty construction equipment, industrial machinery, agricultural tractors, generator sets, marine propulsion systems, and material handling equipment, this turbocharger meets OEM dimensional and performance specifications. It is suitable for both replacement and rebuild applications where original Volvo turbo performance is required.

Key Features & Benefits

• OEM-Spec Dimensions: Manufactured to original equipment size standards, ensuring direct bolt-on installation without modifications to existing mounting points or oil/coolant lines.
• Multiple OEM Cross-Reference: Compatible with five known OEM numbers (8148873, 8112921, 1677098, 1677726, 1677725), providing versatile replacement coverage across different Volvo engine variants.
• Durable Construction: Weighing 19 kg with robust housing materials designed to withstand high exhaust gas temperatures and continuous operation in demanding environments.
• Diesel Engine Optimized: Specifically engineered for diesel combustion cycles, delivering the precise boost pressure required for Volvo D12-series engines.
• Verified Quality: Each unit undergoes outgoing inspection with video documentation available, plus machinery test reports are provided to confirm performance before shipping.
• Versatile Application: Suitable for construction, industrial, agricultural, genset, marine, and material handling equipment powered by Volvo D12, D12A, D12C, FH12, or FM12 engines.
• Warranty Protection: Backed by a 6-month warranty against manufacturing defects, with online technical support available after the warranty period.

Technical Specifications

OEM Cross-Reference

This GT4594 turbocharger is a direct replacement for the following original equipment manufacturer part numbers:

• Volvo OEM: 8148873, 8112921, 1677098, 1677726, 1677725
• Turbo Model: GT4594

These cross-references ensure compatibility with multiple Volvo engine configurations and production years. Always verify your existing turbocharger identification plate against these numbers before ordering.

Compatibility

This turbocharger is commonly used for the following Volvo engine models and vehicle applications:

• Engine Models: Volvo D12, D12A, D12C
• Truck Applications: Volvo FH12, FM12
• Equipment Applications: Construction machinery, industrial equipment, agricultural tractors, generator sets, marine propulsion systems, and material handling equipment powered by these engines

Fitment is inferred based on OEM part number cross-reference. We recommend confirming your engine model and existing turbo part number before purchase.

Global Supply & Distribution

We offer worldwide shipping capabilities from our distribution center in Guangdong, China. Our logistics network serves major international markets including:

• North America: Quick delivery to US and Canadian industrial centers via air and sea freight
• Europe: Regular shipments to EU ports and inland destinations with customs-cleared documentation
• Asia-Pacific: Efficient distribution to Japan, Korea, Australia, and Southeast Asian markets
• Middle East & Africa: Reliable service to UAE, Saudi Arabia, South Africa, and regional hubs
• Latin America: Established routes to Brazil, Mexico, Chile, and other key markets

We maintain export experience with proper commercial invoicing, packing lists, and certificates of origin to facilitate smooth international transactions.

Quality Assurance

Each GT4594 turbocharger is manufactured under controlled production processes in Guangdong, China, with attention to dimensional accuracy and material specifications matching OEM standards. Quality verification includes:

• Outgoing Inspection: Video documentation of inspection procedures is available upon request for buyer confidence
• Machinery Test Report: Performance testing results are provided with each shipment, confirming boost pressure and rotational balance
• Warranty Coverage: 6-month warranty against manufacturing defects in materials and workmanship
• Post-Warranty Support: Continued online technical assistance to help with installation troubleshooting and maintenance guidance

FAQ

Q1: How can I confirm this GT4594 turbocharger fits my specific Volvo engine?
A: Check the identification plate on your existing turbocharger for the OEM part number. This turbo is compatible with OEM numbers 8148873, 8112921, 1677098, 1677726, and 1677725. Also verify your engine model (D12, D12A, or D12C) and vehicle type (FH12 or FM12). If you have a different number, please contact us with your engine serial number for cross-reference assistance.

Q2: What installation precautions should I take with this replacement turbocharger?
A: Before installation, ensure all oil and coolant lines are clean and free of debris. Replace oil and fuel filters simultaneously. Pre-lubricate the turbo bearing housing with clean engine oil through the oil inlet port before starting. After installation, crank the engine without starting (disable fuel injection) for 10-15 seconds to establish oil pressure to the turbo. Always use new gaskets and seals during installation.

Q3: What maintenance schedule is recommended for this turbocharger?
A: Follow the original Volvo engine maintenance schedule for turbocharger inspection, typically every 250 operating hours for general inspection and 1000 hours for detailed check. Monitor for unusual noises, excessive oil consumption, or reduced engine power as indicators of turbo issues. Ensure air filter elements are changed regularly to prevent foreign object damage to compressor wheels. Use only recommended diesel engine oil meeting Volvo specifications.