HomeHVAC > A/C Flow RestrictorsDenso 475-2018 A/C Expansion Valve
Part #: 475-2018

Denso 475-2018 A/C Expansion Valve

New Expansion Valve
62 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$32.74Free 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
New Expansion Valve
Fitment: Mercedes-Benz, C220, C230, C280, C36 AMG, C43 AMG, CLK320, CLK430, CLK55 AMG, E300, E320, E420, E430, E55 AMG, S320, and SLK230
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Expansion Valve for Mercedes-Benz Models

The Denso New Expansion Valve 475-2018 is engineered to regulate refrigerant flow precisely in your vehicle's air conditioning system. Designed specifically for select Mercedes-Benz models, this block valve ensures optimal HVAC performance and temperature control.

  • Type: Block valve design for efficient refrigerant flow restriction
  • Compatible with multiple Mercedes-Benz models including C36 AMG, E55 AMG, and SLK230
  • Part Number: 475-2018 for accurate identification and fitment
  • Category: HVAC > A/C Flow Restrictors, specialized for A/C expansion valve applications
  • GTIN: 00042511223257 for product authenticity verification

About the Denso New Expansion Valve Product Line

The New Expansion Valve line by Denso focuses on delivering precise control of refrigerant flow within automotive air conditioning systems. This product line emphasizes block valve technology, which helps maintain consistent pressure and temperature regulation. The 475-2018 valve is part of this line, offering reliable performance tailored to the HVAC requirements of various Mercedes-Benz vehicles.

Detailed Product Description

The Denso 475-2018 A/C expansion valve is a block valve type component designed to restrict and regulate refrigerant flow in the air conditioning system. This precise control is critical for maintaining the correct pressure differential and ensuring efficient cooling. Compatible with a range of Mercedes-Benz models such as the C220, CLK430, and E320, this valve supports the HVAC system's ability to deliver consistent cabin comfort. Its design aligns with OEM specifications to provide dependable operation and system longevity.

Common Applications and Issues Addressed

  • Regulates refrigerant flow to prevent compressor overload
  • Maintains proper evaporator temperature for effective cooling
  • Prevents freezing or overheating within the A/C system
  • Addresses inconsistent cabin temperature fluctuations
  • Helps resolve reduced cooling performance in Mercedes-Benz C36 AMG and E55 AMG models

Installation Notes and Tips

Ensure the A/C system is properly evacuated and recharged following valve replacement. Verify compatibility with your specific Mercedes-Benz model before installation. Use appropriate tools to avoid damage to the valve or surrounding components. It is recommended to inspect the entire HVAC system for leaks or other issues during replacement.

Quality Assurance and Warranty

Denso manufactures the 475-2018 expansion valve to meet strict quality standards, ensuring reliable performance in demanding automotive environments. The product includes a manufacturer-backed warranty covering defects in materials and workmanship. Always refer to Denso’s warranty terms for detailed coverage information.

BrandDenso
Part Number475-2018
PositionNew Expansion Valve
TypeBlock valve

This part fits 62 vehicles. Search below:

YearMakeModelPositionNotes
2003Mercedes-BenzCLK320N/ANew Expansion Valve
2003Mercedes-BenzCLK430N/ANew Expansion Valve
2003Mercedes-BenzE320N/AOptional; New Expansion Valve
2002Mercedes-BenzCLK320N/ANew Expansion Valve
2002Mercedes-BenzCLK430N/ANew Expansion Valve
2002Mercedes-BenzCLK55 AMGN/ANew Expansion Valve
2002Mercedes-BenzE320N/AOptional; New Expansion Valve
2002Mercedes-BenzE430N/AOptional; New Expansion Valve
2002Mercedes-BenzE55 AMGN/AOptional; New Expansion Valve
2001Mercedes-BenzCLK320N/ANew Expansion Valve
2001Mercedes-BenzCLK430N/ANew Expansion Valve
2001Mercedes-BenzCLK55 AMGN/ANew Expansion Valve
2001Mercedes-BenzE320N/AOptional; New Expansion Valve
2001Mercedes-BenzE430N/AOptional; New Expansion Valve
2001Mercedes-BenzE55 AMGN/AOptional; New Expansion Valve
2000Mercedes-BenzC230N/ANew Expansion Valve
2000Mercedes-BenzC280N/ANew Expansion Valve
2000Mercedes-BenzC43 AMGN/ANew Expansion Valve
2000Mercedes-BenzCLK320N/ANew Expansion Valve
2000Mercedes-BenzCLK430N/ANew Expansion Valve
2000Mercedes-BenzE320N/AOptional; New Expansion Valve
2000Mercedes-BenzE430N/AOptional; New Expansion Valve
2000Mercedes-BenzE55 AMGN/AOptional; New Expansion Valve
2000Mercedes-BenzSLK230N/ANew Expansion Valve
1999Mercedes-BenzC230N/ANew Expansion Valve
1999Mercedes-BenzC280N/ANew Expansion Valve
1999Mercedes-BenzC43 AMGN/ANew Expansion Valve
1999Mercedes-BenzCLK320N/ANew Expansion Valve
1999Mercedes-BenzCLK430N/ANew Expansion Valve
1999Mercedes-BenzE300N/AOptional; New Expansion Valve
1999Mercedes-BenzE320N/AOptional; New Expansion Valve
1999Mercedes-BenzE430N/AOptional; New Expansion Valve
1999Mercedes-BenzE55 AMGN/AOptional; New Expansion Valve
1999Mercedes-BenzS320N/ANew Expansion Valve
1999Mercedes-BenzSLK230N/ANew Expansion Valve
1998Mercedes-BenzC230N/ANew Expansion Valve
1998Mercedes-BenzC280N/ANew Expansion Valve
1998Mercedes-BenzC43 AMGN/ANew Expansion Valve
1998Mercedes-BenzCLK320N/ANew Expansion Valve
1998Mercedes-BenzE300N/AOptional; New Expansion Valve
1998Mercedes-BenzE320N/AOptional; New Expansion Valve
1998Mercedes-BenzE430N/AOptional; New Expansion Valve
1998Mercedes-BenzS320N/ANew Expansion Valve
1998Mercedes-BenzSLK230N/ANew Expansion Valve
1997Mercedes-BenzC230N/ANew Expansion Valve
1997Mercedes-BenzC280N/ANew Expansion Valve
1997Mercedes-BenzC36 AMGN/ANew Expansion Valve
1997Mercedes-BenzE300N/AOptional; New Expansion Valve
1997Mercedes-BenzE320N/AOptional; New Expansion Valve
1997Mercedes-BenzE420N/AOptional; New Expansion Valve
1997Mercedes-BenzS320N/ANew Expansion Valve
1996Mercedes-BenzC220N/ANew Expansion Valve
1996Mercedes-BenzC280N/ANew Expansion Valve
1996Mercedes-BenzC36 AMGN/ANew Expansion Valve
1996Mercedes-BenzE300N/AOptional; New Expansion Valve
1996Mercedes-BenzE320N/AOptional; New Expansion Valve
1995Mercedes-BenzC220N/ANew Expansion Valve
1995Mercedes-BenzC280N/ANew Expansion Valve
1995Mercedes-BenzC36 AMGN/ANew Expansion Valve
1995Mercedes-BenzE300N/AOptional; New Expansion Valve
1994Mercedes-BenzC220N/ANew Expansion Valve
1994Mercedes-BenzC280N/ANew Expansion Valve

* 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:

38814

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