How to replace the auxiliary evaporator core on Chevrolet Express 3500?

The auxiliary evaporator core replacement begins with the removal of the auxiliary HVAC module through screw removal and case half separation. The technician shall disconnect the evaporator core seal to pull out the evaporator core from the auxiliary HVAC module. When this step is completed the technician must evaluate the gaskets and seals for damage while performing needed replacements. Installation requires insertion of the new evaporator core into the auxiliary HVAC module followed by application of the evaporator core seal then reassembly of the case halves and secure installation of the auxiliary HVAC module through screws which should be tightened to 2 N.m (16 lb in). Complete the leak test on fittings by using Halogen Leak Detector (J 39400-A).

OEM Chevrolet Express 3500 Evaporator

A/C Evaporator Core

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Chevrolet Express 3500 Evaporator Core Part Number: 89019348
$169.14 MSRP: $347.58
You Save: $178.44 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator, A/C Evaporator; Evaporator
- Replaces: 52481873, 89019007, 52469341
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2024, 1996-2002 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Evaporator Core Part Number: 52484205
$267.02 MSRP: $483.30
You Save: $216.28 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator, A/C Evaporator; Evaporator
- Replaces: 52494349
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 3500 | Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Evaporator Core Part Number: 23197714
$365.20 MSRP: $750.48
You Save: $385.28 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Evaporator Assembly-A/C; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator, A/C Evaporator; Evaporator
- Replaces: 89019018, 52494775
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2024 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Evaporator Core Part Number: 52481840
Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator, A/C Evaporator; Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Evaporator Core Part Number: 19194254
Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Replaces: 52468010, 52494358
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1998 Chevrolet Express 3500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

Chevrolet Express 3500 Evaporator

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Chevrolet Express 3500 Evaporator Parts and Q&A

Evaporator Core
23197714
Q: How to replace the auxiliary evaporator core on Chevrolet Express 3500?
A:
The auxiliary evaporator core replacement begins with the removal of the auxiliary HVAC module through screw removal and case half separation. The technician shall disconnect the evaporator core seal to pull out the evaporator core from the auxiliary HVAC module. When this step is completed the technician must evaluate the gaskets and seals for damage while performing needed replacements. Installation requires insertion of the new evaporator core into the auxiliary HVAC module followed by application of the evaporator core seal then reassembly of the case halves and secure installation of the auxiliary HVAC module through screws which should be tightened to 2 N.m (16 lb in). Complete the leak test on fittings by using Halogen Leak Detector (J 39400-A).