712303-0001 GTA5002 Turbocharger Replacement for CAT 3406 Engine

This aftermarket 712303-0001 GTA5002 turbocharger is a replacement unit for Caterpillar CAT 3406 and D8N engine applications. It serves as an aftermarket replacement application for buyers verifying OEM reference numbers such as 1789572 and 712303-1 before installation.

Key Specifications

• Part Number: 712303-0001
• Product Type: Turbocharger
• Turbo Model: GTA5002
• Application Clues: Caterpillar CAT 3406, CAT D8N, CAT 3406B
• Packing Dimensions: 34 x 34 x 38 cm
• Gross Weight: 30 kg
• OEM Reference Numbers: 1789572, 178-9572, 712303-1, 712303-5001, 712303-5001S

These specifications support initial identification. Buyers should cross-check the part number and model against their specific engine configuration to ensure the GTA5002 unit matches the required replacement application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• Caterpillar > CAT > CAT D8N > CAT 3406
• Caterpillar > CAT > CAT EARTH MOVING > CAT 3406B

This GTA5002 turbocharger is listed for Caterpillar CAT 3406 and D8N applications, including CAT 3406B earth moving equipment. Buyers should verify the part number 712303-0001 against their specific engine configuration. Representative OEM reference numbers include 1789572, 178-9572, 712303-1, 712303-5001, and 712303-5001S. Use these references to confirm fitment before ordering. Always check the turbo model and application path to ensure the replacement unit matches your existing system.

Technical Notes

The GTA5002 turbocharger is a heavy-duty unit designed for Caterpillar 3406 engine applications. Buyers should verify the compressor wheel nut tightening torque and thread direction against the specific service manual for their engine model. Incorrect torque application can lead to shaft damage or imbalance during operation. Additionally, check the shaft end play and radial play using a dial indicator to ensure the bearing assembly is within acceptable tolerances. Excessive play may indicate wear or misalignment that requires attention before installation. For oil and water connections, confirm that the O-ring material is suitable for the operating environment to prevent leaks. These verification steps help ensure the replacement unit operates reliably within the CAT 3406 or D8N system.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 712303-0001 GTA5002 turbocharger. Worldwide shipping is available for this 30 kg unit, packed in 34 x 34 x 38 cm dimensions. Our technical fitment support team can help verify OEM reference numbers such as 1789572 and 712303-1 against your specific CAT 3406 or D8N engine configuration. Contact us to confirm part numbers and application details before placing an order.