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NissensPart #: 999238
Nissens 999238 A/C Expansion Valve
⚙️ 108 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$50.01Free 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: Mercedes-Benz, C220, C230, C280, C36 AMG, C43 AMG, CLK320, CLK430, CLK55 AMG, E300, E320, E420, E430, E55 AMG, S320, SL500, and SLK230
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Nissens 999238 A/C Expansion Valve
| Brand | Nissens |
| Part Number | 999238 |
| Material | Aluminum |
| Refrigerant Type | R134a |
| Type | Block |
| Mounting Hardware Included | Yes |
| Liquid Inlet Fitting Thread Diameter | 0.4300 |
| Liquid Outlet Fitting Thread Diameter | 0.5500 |
| O-ring Quantity | 4 |
| O-rings Included | Yes |
| Suction Inlet Fitting Thread Diameter | 0.6300 |
| Suction Outlet Fitting Thread Diameter | 0.7900 |
This part fits 108 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2003 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 2003 | Mercedes-Benz | CLK430 | Base | 4.3L | V8 | GAS | N/A | |
| 2003 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2003 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2003 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2003 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 2002 | Mercedes-Benz | CLK430 | Base | 4.3L | V8 | GAS | N/A | |
| 2002 | Mercedes-Benz | CLK55 AMG | Base | 5.5L | V8 | GAS | N/A | |
| 2002 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2002 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2002 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2002 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2002 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2002 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2002 | Mercedes-Benz | SL500 | Base | 5.0L | V8 | GAS | N/A | |
| 2001 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 2001 | Mercedes-Benz | CLK430 | Base | 4.3L | V8 | GAS | N/A | |
| 2001 | Mercedes-Benz | CLK55 AMG | Base | 5.5L | V8 | GAS | N/A | |
| 2001 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2001 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2001 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2001 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2001 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2001 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2001 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2001 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2001 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2001 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2001 | Mercedes-Benz | SL500 | Base | 5.0L | V8 | GAS | N/A | |
| 2000 | Mercedes-Benz | C230 | Kompressor | 2.3L | L4 | GAS | N/A | |
| 2000 | Mercedes-Benz | C280 | Base | 2.8L | V6 | GAS | N/A | |
| 2000 | Mercedes-Benz | C43 AMG | Base | 4.3L | V8 | GAS | N/A | |
| 2000 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 2000 | Mercedes-Benz | CLK430 | Base | 4.3L | V8 | GAS | N/A | |
| 2000 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2000 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2000 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2000 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2000 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2000 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2000 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2000 | Mercedes-Benz | E430 | 4Matic | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2000 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 2000 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 2000 | Mercedes-Benz | SL500 | Base | 5.0L | V8 | GAS | N/A | |
| 2000 | Mercedes-Benz | SLK230 | Kompressor | 2.3L | L4 | GAS | N/A | |
| 1999 | Mercedes-Benz | C230 | Kompressor | 2.3L | L4 | GAS | N/A | |
| 1999 | Mercedes-Benz | C280 | Base | 2.8L | V6 | GAS | N/A | |
| 1999 | Mercedes-Benz | C43 AMG | Base | 4.3L | V8 | GAS | N/A | |
| 1999 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 1999 | Mercedes-Benz | CLK430 | Base | 4.3L | V8 | GAS | N/A | |
| 1999 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1999 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1999 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1999 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1999 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1999 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1999 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1999 | Mercedes-Benz | E55 AMG | Base | 5.5L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1999 | Mercedes-Benz | S320 | LWB | 3.2L | L6 | GAS | N/A | |
| 1999 | Mercedes-Benz | S320 | SWB | 3.2L | L6 | GAS | N/A | |
| 1999 | Mercedes-Benz | SL500 | Base | 5.0L | V8 | GAS | N/A | |
| 1999 | Mercedes-Benz | SLK230 | Kompressor | 2.3L | L4 | GAS | N/A | |
| 1998 | Mercedes-Benz | C230 | Base | 2.3L | L4 | GAS | N/A | |
| 1998 | Mercedes-Benz | C280 | Base | 2.8L | V6 | GAS | N/A | |
| 1998 | Mercedes-Benz | C43 AMG | Base | 4.3L | V8 | GAS | N/A | |
| 1998 | Mercedes-Benz | CLK320 | Base | 3.2L | V6 | GAS | N/A | |
| 1998 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Fits various models of HVAC Heater Cores. |
| 1998 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1998 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1998 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1998 | Mercedes-Benz | E320 | Base | 3.2L | V6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1998 | Mercedes-Benz | E320 | 4Matic | 3.2L | V6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1998 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1998 | Mercedes-Benz | E430 | Base | 4.3L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1998 | Mercedes-Benz | S320 | LWB | 3.2L | L6 | GAS | N/A | |
| 1998 | Mercedes-Benz | S320 | SWB | 3.2L | L6 | GAS | N/A | |
| 1998 | Mercedes-Benz | SLK230 | Kompressor | 2.3L | L4 | GAS | N/A | |
| 1997 | Mercedes-Benz | C230 | Base | 2.3L | L4 | GAS | N/A | |
| 1997 | Mercedes-Benz | C280 | Base | 2.8L | L6 | GAS | N/A | |
| 1997 | Mercedes-Benz | C36 AMG | Base | 3.6L | L6 | GAS | N/A | |
| 1997 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1997 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Fits various models of HVAC Heater Cores. |
| 1997 | Mercedes-Benz | E320 | Base | 3.2L | L6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1997 | Mercedes-Benz | E320 | Base | 3.2L | L6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1997 | Mercedes-Benz | E420 | Base | 4.2L | V8 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1997 | Mercedes-Benz | E420 | Base | 4.2L | V8 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1997 | Mercedes-Benz | S320 | SWB | 3.2L | L6 | GAS | N/A | |
| 1997 | Mercedes-Benz | S320 | LWB | 3.2L | L6 | GAS | N/A | |
| 1996 | Mercedes-Benz | C220 | Base | 2.2L | L4 | GAS | N/A | |
| 1996 | Mercedes-Benz | C280 | Base | 2.8L | L6 | GAS | N/A | |
| 1996 | Mercedes-Benz | C36 AMG | Base | 3.6L | L6 | GAS | N/A | |
| 1996 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Fits various models of HVAC Heater Cores. |
| 1996 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1996 | Mercedes-Benz | E320 | Base | 3.2L | L6 | GAS | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1996 | Mercedes-Benz | E320 | Base | 3.2L | L6 | GAS | N/A | Fits various models of HVAC Heater Cores. |
| 1995 | Mercedes-Benz | C220 | Base | 2.2L | L4 | GAS | N/A | |
| 1995 | Mercedes-Benz | C280 | Base | 2.8L | L6 | GAS | N/A | |
| 1995 | Mercedes-Benz | C36 AMG | Base | 3.6L | L6 | GAS | N/A | |
| 1995 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Fits various models of HVAC Heater Cores. |
| 1995 | Mercedes-Benz | E300 | Base | 3.0L | L6 | DIESEL | N/A | Compatible with various HVAC systems, please ensure proper fitment before installation. |
| 1994 | Mercedes-Benz | C220 | Base | 2.2L | L4 | GAS | N/A | |
| 1994 | Mercedes-Benz | C280 | Base | 2.8L | L6 | GAS | N/A |
* 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:
1298300184168830008416883002842028300184210830008438814392105086435094939018300084A1298300184A1688300084A1688300284A2028300184A2108300084A9018300084AVE89000PDVE17003DVE17005EX10068CTSP0585015TSP0585046
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.