Diesel Aftertreatment System for 2021 Cadillac Escalade ESV
No.
Part # / Description / Price
Price
1
Exhaust Gas Temperature Sensor 
GM
GM Description: Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $62.90
$37.98
MSRP $62.90
$37.98
2
Exhaust Temperature Sensor GM
GM Description: Silverado, sierra. Sensors, 3.0L diesel, position 2. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $78.46
$47.37
MSRP $78.46
$47.37
3
Exhaust Temperature Sensor GM
GM Description: Silverado, sierra. Sensors, 3.0L diesel, position 3. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $60.18
$36.33
MSRP $60.18
$36.33
4
Nitrogen Oxide Sensor GM
GM Description: 3.0L diesel, sensors, 2021-24. Upper. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel.
MSRP $198.82
$114.07
MSRP $198.82
$114.07
5
Sensor GM
GM Description: 3.0L diesel, sensors. Suburban. 3.0l diesel. Lower. To 05/19/22. Tahoe. 3.0l diesel. Yukon. 3.0l diesel. Right. Escalade. 3.0l diesel.
MSRP $231.44
$132.50
MSRP $231.44
$132.50
6
Sensor GM
GM Description: 3.0L diesel, sensors. Lower. Left. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel.
MSRP $262.52
$150.29
MSRP $262.52
$150.29
7
Exhaust Particulate Sensor GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $170.68
$97.93
MSRP $170.68
$97.93
8
Exhaust Pressure Sensor Pipe GM
GM Description: Sensors, 3.0L diesel, for particulate. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $64.38
$38.87
MSRP $64.38
$38.87
9
Exhaust Pressure Sensor Pipe GM
GM Description: Sensors, 3.0L diesel, for egr. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $60.81
$36.72
MSRP $60.81
$36.72
10
Exhaust Pressure Differential Sensor Bracket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems - aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $25.71
$19.19
MSRP $25.71
$19.19
No.
Part # / Description / Price
Price
1
Reservoir GM
GM Description: 3.0L diesel, emission reduction system. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. From 05/09/22. Yukon. 3.0l diesel.
2
Emission Reduction Fluid Tank Front Bracket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.12
$21.75
MSRP $29.12
$21.75
3
Module GM
GM Description: Emission reduction level. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Escalade. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel emission reduction system.
4
Harness GM
GM Notes: PARTS: Part included with tank.
Description: 3.0L diesel, emission reduction system.
MSRP $164.00
$94.10
MSRP $164.00
$94.10
5
Emission Reduction Fluid Tank Filler Vent Hose GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $77.86
$47.01
MSRP $77.86
$47.01
6
Emission Reduction Fluid Tank Shield GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $126.38
$72.51
MSRP $126.38
$72.51
7
Emission Reduction Fluid Tank Shield GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $45.36
$27.39
MSRP $45.36
$27.39
8
Emission Reduction Fluid Tank Protector GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $28.66
$18.77
MSRP $28.66
$18.77
9
Emission Reduction Fluid Tank Filler Pipe GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $121.80
$69.88
MSRP $121.80
$69.88
10
Emission Reduction Fluid Tank Filler Hose GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $91.40
$55.18
MSRP $91.40
$55.18
11
Diesel Emissions Fluid (DEF) Tank Filler Cap GM
GM Description: 6.6L diesel, emission reduction system. Emission reduction system, 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
12
Reductant Fluid Injector GM
GM Description: Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
MSRP $122.54
$70.31
MSRP $122.54
$70.31
13
Exhaust System Front Gasket GM
GM Notes: PARTS: Part included with injector.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.75
$6.98
MSRP $8.75
$6.98
14
Emission Reduction Fluid Injector Clamp GM
GM Description: Emission reduction system, 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.32
$6.45
MSRP $8.32
$6.45
No.
Part # / Description / Price
Price
1
Diesel Particulate Filter 1 GM
GM Description: Silverado, sierra. 3.0l diesel. Upper. Tahoe. 3.0l diesel. Single exhaust, 2020-22. Nox converter with filter. Escalade ESV. 3.0l diesel. Suburban. 3.0l diesel. Yukon. 3.0l diesel.
MSRP $1,583.33
$1,032.18
MSRP $1,583.33
$1,032.18
2
Catalytic Converter Gasket GM
GM Notes: PARTS: Part included with catalytic converter.
Description: Helps provide a tight seal for your vehicle's catalytic converter
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.45
$0.37
MSRP $0.45
$0.37
3
Catalytic Converter Clamp GM
GM Description: Helps provide a tight seal for your vehicle's catalytic converter and exhaust pipe connection
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.88
$11.88
MSRP $14.88
$11.88
4
Exhaust Back Pressure Valve GM
GM Description: Single exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
Exhaust Gas Recirculation (EGR) Valve Inlet Gasket GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: Dual exhaust. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate properly
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.10
$4.83
MSRP $7.10
$4.83
6
Catalytic Converter 1 GM
GM Description: Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Nox scr/doc converter. Yukon. 3.0l diesel.
MSRP $294.38
$192.79
MSRP $294.38
$192.79
7
Exhaust System Front Gasket GM
GM Description: Dual exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.55
$3.71
MSRP $4.55
$3.71
8
Exhaust Front Hanger GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.14
$7.30
MSRP $9.14
$7.30
9
Exhaust System Insulator GM
GM Notes: PARTS: Part included with hanger.
Description: 6.0L. 3.6L, 2015-16. 3.6L 2017-21. Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $61.63
$44.65
MSRP $61.63
$44.65
10
MSRP $385.90
$252.73
11
Intermediate Pipe Clamp GM
GM Notes: PARTS: Part included with intermediate pipe.
Description: 3.0L diesel, 2021-24. Single exhaust, 2020-22. Single exhaust, 2023-25. 3.0L diesel dual exhaust 2025.
12
Exhaust System Hanger Insulator GM
GM Description: 2018-20, 3 hole. Single exhaust, front. 6.6L diesel, 3-hole. Dual exhaust, front. 2.7L, front. 4.3L, front. 3.6L 2017-21. front. 2.8 turbo diesel rear section. Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.32
$24.61
MSRP $31.32
$24.61
12
Exhaust System Hanger Insulator GM
GM Description: Helps secure and support your vehicle's exhaust pipe to the underside of the vehicle
Helps prevent excessive vibration and noise from entering the interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $31.46
$24.73
MSRP $31.46
$24.73
13
F Muffler GM
GM Description: 3.0L diesel, 2021-24. Dual exhaust. 3.0L diesel, Escalade ESV.
MSRP $799.31
$523.16
MSRP $799.31
$523.16
14
Exhaust System Rear Gasket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.01
$5.71
MSRP $7.01
$5.71
15
MSRP $40.93
$29.66
15
MSRP $40.93
$29.66
16
Driver Side Exhaust Tail Pipe Heat Sleeve GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $230.47
$158.97
MSRP $230.47
$158.97
16
Passenger Side Exhaust Tail Pipe Heat Sleeve GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $230.47
$158.97
MSRP $230.47
$158.97
16
Driver Side Exhaust Tail Pipe Heat Sleeve GM
GM Positions: Left
Description: Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $230.47
$158.97
MSRP $230.47
$158.97
16
Passenger Side Exhaust Tail Pipe Heat Sleeve GM
GM Positions: Right
Description: Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $230.47
$158.97
MSRP $230.47
$158.97
17
Exhaust Heat Shield GM
GM Description: Single exhaust, front, outer. 6.6L gas, front, #2. Dual exhaust, front, outer. 2.7L, front, outer. 4.3L, front, outer. Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.24
$22.99
MSRP $29.24
$22.99
18
Heat Shield GM
GM Description: 3.0L diesel dual exhaust 2021-24. center front. 6.2L. center front. 3.0L diesel single exhaust. center front.
MSRP $58.34
$42.26
MSRP $58.34
$42.26
19
Heat Shield GM
GM Description: 3.0L diesel, 2021-24, center, rear. 5.3L, center, rear. 5.3 & 6.2L, center, rear. 3.0L diesel, center rear, Escalade ESV. 6.2L supercharged, center rear, Escalade ESV. 3.0L diesel dual exhaust 2025. center.
MSRP $21.92
$17.23
MSRP $21.92
$17.23
20
Exhaust Rear Underbody Heat Shield GM
GM Description: Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.65
$24.38
MSRP $33.65
$24.38
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.
Related Parts
Part # / Description / Price
Price
Diesel Particulate Filter 1 GM
GM Description: Silverado, sierra. 3.0l diesel. Upper. Tahoe. 3.0l diesel. Single exhaust, 2020-22. Nox converter with filter. Escalade ESV. 3.0l diesel. Suburban. 3.0l diesel. Yukon. 3.0l diesel.
MSRP $1,583.33
$1,032.18
MSRP $1,583.33
$1,032.18
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.