Part #: 2556C

Global Parts 2556C Radiator

⚙️ 7 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$173.17Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A4 and A4 Quattro
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Global Parts Radiator 2556C for Audi A4 Models

The Global Parts radiator 2556C is designed specifically for Audi A4 and A4 Quattro vehicles, providing reliable cooling performance. Engineered with durable aluminum core and plastic tanks, this radiator supports efficient heat dissipation and long-term operation.

  • Core dimensions: 15.75 inches height, 25 inches width, 1.13 inches thickness
  • Constructed with an aluminum core and plastic tanks for durability and corrosion resistance
  • Cross flow design enhances coolant flow and heat exchange efficiency
  • Includes a transmission oil cooler with adapter-type fittings spaced 11.81 inches apart
  • Inlet diameter of 1.13 inches and outlet diameter of 1.1 inches for proper coolant flow
  • 68 core fins per 4 inches to maximize cooling surface area

Detailed Radiator Specifications and Features

This radiator features a cross flow core measuring 400.05 mm in height, 635 mm in width, and 28.7 mm in thickness, optimized for the cooling demands of Audi A4 and A4 Quattro engines. The aluminum core material offers excellent thermal conductivity, while the plastic tanks reduce weight and resist corrosion. The integrated transmission oil cooler includes adapter fittings with a 0.48-inch diameter, spaced 11.81 inches apart, ensuring efficient transmission fluid cooling without the need for additional components. The radiator’s inlet and outlet diameters of 28.7 mm and 27.94 mm respectively support proper coolant circulation, maintaining engine temperature within optimal ranges. With 68 fins every 4 inches, the radiator maximizes airflow and heat dissipation to prevent overheating during operation.

Applications and Common Issues Addressed

  • Replacement for damaged or leaking radiators in Audi A4 and A4 Quattro models
  • Resolves engine overheating caused by inefficient cooling systems
  • Addresses transmission fluid overheating with built-in transmission oil cooler
  • Improves coolant flow and heat exchange in vehicles with worn or clogged radiators
  • Prevents coolant leaks due to cracked or corroded radiator tanks

Installation Notes and Tips

When installing the Global Parts radiator 2556C, ensure compatibility with Audi A4 or A4 Quattro models by verifying part number and dimensions. Properly connect the transmission oil cooler fittings using the included adapter type connections. Inspect all hoses and clamps for wear and replace as necessary to maintain a secure, leak-free system. Bleed the cooling system after installation to remove air pockets and ensure optimal coolant circulation.

Quality Assurance and Warranty Information

Global Parts radiators are manufactured to meet OEM specifications for fit, form, and function. The use of aluminum core and plastic tanks provides a balance of durability and corrosion resistance. This radiator includes a transmission oil cooler designed to integrate seamlessly with the vehicle’s cooling system. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.

BrandGlobal Parts
Part Number2556C
Core Height15.75
Core Height400.05
Core Thickness1.13
Core Thickness28.7
Core Width25
Core Width635
Core MaterialAluminum
Tank MaterialPlastic
Transmission Oil Cooler IncludedYes
Transmission Oil Cooler Distance between Fittings11.81
Transmission Oil Cooler Fitting TypeAdapter
Inlet Diameter1.13
Inlet Diameter28.7
Outlet Diameter1.1
Outlet Diameter27.94
Engine Oil Cooler IncludedNo
Transmission Oil Cooler Fitting Diameter0.48
Down Flow Or Cross Flow TypeCross flow
Core Fin Quantity68 (every 4")

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006AudiA41.8LL4N/Aw/ Transmission Oil Cooler
2005AudiA41.8LL4N/Aw/ Transmission Oil Cooler
2005AudiA4 Quattro1.8LL4N/Aw/ Transmission Oil Cooler
2004AudiA41.8LL4N/Aw/ Transmission Oil Cooler
2004AudiA4 Quattro1.8LL4N/Aw/ Transmission Oil Cooler
2003AudiA41.8LL4N/Aw/ Transmission Oil Cooler
2003AudiA4 Quattro1.8LL4N/Aw/ Transmission Oil Cooler

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2556291041-25564125564336588012556801255780128238E0121251A8E0121251AH8E0121251AJ8E0121251AP8E0121251AQAU3010128AU3010129AU3010135AU3010142CU2556NR2556APR2556APR8152ARA2556RA2556C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.