How to service and repair the air cleaner fresh air hose on Chevrolet Express 3500?

To service and repair the air cleaner fresh air duct/hose start by removing the engine cover then pcv hose from the fuel mixer housing. Next, undo the bolts on the air cleaner housing and loose the retaining clamp from the maf sensor at the air cleaner housing then pull the air cleaner housing off the vehicle. Remove the maf sensor and iat sensor connectors (6, 7), before removing the lpr reference hose from the maf sensor elbow. Loosen the retaining clamp on maf sensor elbow at the fuel mixer housing and remove the maf sensor & elbow from the vehicle. Proceed with pulling out the bolts from the fuel mixer housing bracket and remove the bracket from the vehicle. Unbolt the fuel supply hose and clamp from the fuel mixer, idle solenoid clamp and hose from the idle solenoid, and fuel control solenoid clamp and hose from the fuel solenoid, not forgetting any that you did not check. Unscrew the throttle body adapter nut and remove the throttle body adapter and the fuel mixer housing while still as an assembly. For installation, replace the throttle body adapter and the fuel mixer housing into the vehicle, then attach the throttle body adapter nut and bolt-tightening it with 4 n.m (35 lb in). Then, hook the fuel control solenoid hose and clamp, idle solenoid hose and clamp, and the fuel supply hose and clamp to the fuel mixer. Loosely mount all 3 mounting bolts and bracket, tighten bracket to a/c bolt 28 n.m, 21 lb in and bracket to mixer cover bolts to 12 n.m 106 lb in. Mount the maf sensor and elbow into the vehicle tightening the clamp of the maf sensor elbow at the fuel mixer housing to 7 n.m (62 lb in). Hook up the lpr reference hose to the maf sensor elbows &, maf and iat sensor connectors (6,7). In the vehicle, installation of the air cleaner housing along with tightening of retaining clamp from the maf sensor elbow at the air cleaner housing to 7 n.m (62 lb in) and the air cleaner housing mounting bolts to 11 n.m (97 lb in). Lastly, join the pcv hose to the fuel mixer housing and replace the engine cover.

OEM Chevrolet Express 3500 Air Hose

Air Inlet Duct

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Chevrolet Express 3500 Outlet Duct
Part Number: 23303033
$167.31 MSRP: $250.13
You Save: $82.82 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Replaces: 15124530, 15877268
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express 3500 | Base, LS, LT | 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
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Chevrolet Express 3500 Outlet Duct
Part Number: 22744677
$155.66 MSRP: $222.73
You Save: $67.07 (31%)
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Replaces: 20765281
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Rear Duct
Part Number: 84836253
$81.52 MSRP: $121.34
You Save: $39.82 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Air Intake Hose; Intake Coupling; Duct, Air Cleaner
- Replaces: 23350947
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Outlet Duct
Part Number: 84829302
$96.49 MSRP: $143.61
You Save: $47.12 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Duct, Air Cleaner And Silencer
- Replaced by: 85664844
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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Chevrolet Express 3500 Outlet Assembly
Part Number: 84829301
$89.60 MSRP: $133.36
You Save: $43.76 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer
- Replaced by: 85664845
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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Chevrolet Express 3500 Outlet Duct
Part Number: 84823497
$17.98 MSRP: $26.76
You Save: $8.78 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Air Intake Hose; Intake Coupling; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Outlet Assembly
Part Number: 84823495
$92.66 MSRP: $137.91
You Save: $45.25 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Rear Duct
Part Number: 84260088
$42.78 MSRP: $63.68
You Save: $20.90 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Replaces: 23231658
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Express 3500 Rear Duct Connector
Part Number: 84147588
$11.47 MSRP: $17.07
You Save: $5.60 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Connector, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Express 3500 Outlet Duct
Part Number: 23231657
$14.91 MSRP: $22.19
You Save: $7.28 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Express 3500 Rear Duct
Part Number: 15270558
$108.29 MSRP: $161.18
You Save: $52.89 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2015 Chevrolet Express 3500 | Base, LS, LT | 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
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Chevrolet Express 3500 Intake Duct
Part Number: 25320240
Product Specifications
- Other Name: Duct, Air Cleaner Intake
- Position: Rear
- Replaces: 25147200
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 3500 | Base, LS | 8 Cyl 6.5 L DIESEL
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Chevrolet Express 3500 Intake Duct
Part Number: 25147199
Product Specifications
- Other Name: Duct, Air Cleaner Intake
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express 3500 | Base, LS | 8 Cyl 7.4 L GAS
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Chevrolet Express 3500 Outlet Duct
Part Number: 25147198
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 3500 | Base, LS | 8 Cyl 6.5 L DIESEL
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Chevrolet Express 3500 Outlet Duct
Part Number: 25147196
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express 3500 | Base, LS | 8 Cyl 5.7 L GAS
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Chevrolet Express 3500 Outlet Duct
Part Number: 25147195
Product Specifications
- Other Name: Duct; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1998 Chevrolet Express 3500 | Base, LS | 6 Cyl 4.3 L GAS
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Chevrolet Express 3500 Outlet Duct
Part Number: 15848510
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Replaces: 15102539
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Express 3500 | Base | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Intake Duct
Part Number: 15153906
Product Specifications
- Other Name: Duct Assembly-Air Cleaner Outlet *Marked Print; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express 3500 | Base, LS | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Express 3500 Rear Duct
Part Number: 15104215
Product Specifications
- Other Name: Duct, Air Cleaner And Silencer; Duct, Air Cleaner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

Chevrolet Express 3500 Air Hose

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Chevrolet Express 3500 Air Hose Parts Questions & Experts Answers

Intake Duct
25320240
Q: How to service and repair the air cleaner fresh air hose on Chevrolet Express 3500?
A: To service and repair the air cleaner fresh air duct/hose start by removing the engine cover then pcv hose from the fuel mixer housing. Next, undo the bolts on the air cleaner housing and loose the retaining clamp from the maf sensor at the air cleaner housing then pull the air cleaner housing off the vehicle. Remove the maf sensor and iat sensor connectors (6, 7), before removing the lpr reference hose from the maf sensor elbow. Loosen the retaining clamp on maf sensor elbow at the fuel mixer housing and remove the maf sensor & elbow from the vehicle. Proceed with pulling out the bolts from the fuel mixer housing bracket and remove the bracket from the vehicle. Unbolt the fuel supply hose and clamp from the fuel mixer, idle solenoid clamp and hose from the idle solenoid, and fuel control solenoid clamp and hose from the fuel solenoid, not forgetting any that you did not check. Unscrew the throttle body adapter nut and remove the throttle body adapter and the fuel mixer housing while still as an assembly. For installation, replace the throttle body adapter and the fuel mixer housing into the vehicle, then attach the throttle body adapter nut and bolt-tightening it with 4 n.m (35 lb in). Then, hook the fuel control solenoid hose and clamp, idle solenoid hose and clamp, and the fuel supply hose and clamp to the fuel mixer. Loosely mount all 3 mounting bolts and bracket, tighten bracket to a/c bolt 28 n.m, 21 lb in and bracket to mixer cover bolts to 12 n.m 106 lb in. Mount the maf sensor and elbow into the vehicle tightening the clamp of the maf sensor elbow at the fuel mixer housing to 7 n.m (62 lb in). Hook up the lpr reference hose to the maf sensor elbows &, maf and iat sensor connectors (6,7). In the vehicle, installation of the air cleaner housing along with tightening of retaining clamp from the maf sensor elbow at the air cleaner housing to 7 n.m (62 lb in) and the air cleaner housing mounting bolts to 11 n.m (97 lb in). Lastly, join the pcv hose to the fuel mixer housing and replace the engine cover.