Powertrain Control for 2003 Chevrolet Impala
No.
Part # / Description / Price
1
Radiator 
GM
GM 3.1. Buick. Without supercharger. Standard cooling. 3.8L, without hd cooling. Impala, Monte Carlo. 1st design (english. Thread). 3.4l. 3.4L, 2nd design. Exc.Heavy Duty. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2
Radiator GM
GM Heavy duty cooling. With supercharger. Buick. Thread). 3.8l. Monte Carlo. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
M6x1x25 Multi-Purpose Bolt GM
MSRP $7.75
GM Upper Bracket Screw
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
Radiator Insulator GM
GM Lower Mount, Left
3.8L. 3.1L. 1997-00. 3.4L. Lower. 4.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
9
15 P.S.I. Radiator Cap GM
MSRP $22.13
GM Radiator Cap
Helps seal and maintain pressure in your vehicle's engine cooling system This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
9
15 P.S.I. Radiator Cap GM
MSRP $19.61
GM Radiator Cap
Aztek, Rendezvous. All models. Terraza, Uplander. Relay. Park Avenue. 3.8L. 3.4L, with dex-cool label. Montana SV6. Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety
9
Acdelco™ Radiator Cap GM
GM ACDelcoâ„¢ Radiator Cap
Aztek, Rendezvous. All models. Terraza, Uplander. Relay. Park Avenue. Vendor:acdelco. Vendor #RC-96. 3.8L. 3.4L, with dex-cool label. Montana SV6.
10
Engine Coolant Level Sensor GM
MSRP $174.56
GM Level Sensor
Coolant level. Impala, Monte Carlo. 3.8L. All models. 3.1L. 1997-00. 3.4L. 5.7L, level indicator, with 2 way connector. 8 cylinder, 1998-02, level indicator. 8 cylinder, 1993-97, with 2 way connector. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Radiator Inlet Hose GM
GM Radiator Coolant Hose, Upper
Eng/code m. Impala, Monte Carlo. All models. 3.8l. 2.8 & 3.1L. Eng/code j. Helps maintain optimal temperatures Designed to withstand high temperatures This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
12
Multi-Purpose Clamp GM
MSRP $8.37
GM Upper Hose Clamp
Helps prevent leaks This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
Radiator Outlet Hose GM
GM Radiator Coolant Hose, Lower
Impala, Monte Carlo. 3.8l. Helps maintain optimal temperatures Designed to withstand high temperatures This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
14
Multi-Purpose Worm Gear Clamp GM
MSRP $10.34
GM Lower Hose Clamp
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
16
M8x1.25x25 Multi-Purpose Bolt GM
GM Thermostat Housing Bolt
3.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
17
195 Degrees Engine Coolant Thermostat with Gasket GM
MSRP $58.90
GM Thermostat
Controls the flow of coolant through your vehicle's radiator to help it reach and maintain optimal operating temperature
18
Engine Coolant Thermostat O-Ring GM
MSRP $9.50
GM Thermostat Gasket
O-Ring. Lucerne. 3.8, 3.9L. 3.8L. Thermostat,gasket. Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
19
Coolant Recovery Reservoir GM
MSRP $52.38
GM Reservoir Tank
Impala, Monte Carlo. 3.4L. 3.8L. Helps maintain optimal engine operating temperatures Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
20
Coolant Recovery Reservoir Retainer GM
MSRP $9.90
GM Reservoir Tank Screw
3.4L. 3.8L. Helps keep components securely attached Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
21
Engine Coolant Recovery Tank Cap GM
GM Reservoir Cap
Helps keep coolant from flowing out of your vehicle's engine coolant recovery tank Helps keep coolant pressure at required level
23
.250 x .625 in Hose Clamp GM
MSRP $4.76
GM Overflow Hose Clamp
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
24
Engine Coolant Air Bleeder Valve GM
GM Bleeder Valve
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