Here's a parts list for 97s to 02s I found a while back. Some parts have been replaced by newer part numbers for the 04+, but the gmpartsdirect catalog should point you in the right direction. Also, some parts are no longer produced. Hope this helps someone out!
Engine Parts
AC Delco Fuel Filter GF-578 25121293
PCV Valve CV-892C for a (L67) 25043843
PCV Valve for a (L36) 3.8L V6 17113515
PCV Valve for a (LG8) 3.1L V6 25043843
PCV Valve Gasket 24503777
PCV Valve Seal-O-Ring 25534756
Goodyear Gatorback Supercharge Poly V Belt (for 3.4" - 3.25" Pulley) 4060660
Goodyear Gatorback Supercharge Poly V Belt (for 3.1" - 2.9" Pulley) 4060650
Goodyear Gatorback Supercharge Poly V Belt (for 2.7" - 2.85" Pulley) 4060642
Goodyear Gatorback Serpentine Poly V Belt for '98 4060935
Goodyear Gatorback Serpentine Poly V Belt for '99 4060915
Power Steering Pump 02650488
Power Steering Hose 26064185
Coolant Overflow Hose for '99 Coolant Overflow Bottle 10291659
Flywheel for (L67) 24505216
Flywheel for '97 GT or SE with the (L36) 24508110
Starter Motor 10465309
Supercharger Gasket (L67) 24503911
Intake Manifold (L67) 24505729
Intake Manifold Gasket for a (L67) 12480880
Intake Gasket Kit with Plenum (Upper Intake) Gasket (L36) 17113137
Intake Manifold Gasket for a (L36) 12537197
Driver's Side Lower Transmission/Engine Mount 22178939
Passenger Side Lower Engine Mount 22175206
Upper Motor Mount Bracket (Same for Driver and Passenger) 10271462
Upper Motor Mount Bolt 11516666
Upper Motor Mount Nut 10255857
Tensioner for a (LG8) 3.1L V6 24507685
3.5 Idler Pulley (Upgrade Tensioner Pulley) (L67) 24506756
Drive Belt Tensioner 24502989
Supercharge Drive Belt Tensioner 12564506
Accessory Belt Tensioner (L67) 24504818
Supercharger Fill Plug '97-'01 (L67) 24500661
Fuel Rail Assembly for a '00-'02 (L67) 24508941
Fuel Injectors (L67) 24508208
Fuel Injector Metering Retainer (Fuel Injector Clips) 24503227
Vacuum Line Assembly (L67)(Complete Kit) 24507329
Vacuum Line Assembly (L67)(from TB) 24506665
Engine Camshaft & Valve Rocker Hardware (Left Valve Cover) 24503935
Engine Camshaft & Valve Rocker Hardware (Right Valve Cover) 24503936
Valve Cover Gasket 24503937
Valve Lifter (8 Pack) 17122490
Water Pump Pulley 12537829
Water Pump Pulley (LG8) 14091833
Head Bolt (short) (L67) 25527831
Head Bolt (long) (L67) 25533811
Head Gasket Set (Head, Intake, Valve covers) (L67) 12539091
Harmonic Balancer 12563268
Engine Oil Pan (L67) 12563240
Engine Oil Pan Gasket (L67) 12574776
Engine Piston (L67) 12539085
Engine Piston Ring Kit (L67) 12480825
Engine Valve Rocker Arm (Stock 1.6:1 Rockers) (L67) 24503999
Engine Valve Adjusting Support Bold (5 Pack) 24503515
Rocker Support Retainer 24502278
Rod Bearing 12480819
Power Steering Hose 26064185
Engine Coolant Outlet Gasket 24502433
Water Pump Pulley (L67) 24507524
Cylinder Heads (L67) (1997-1998 Old Castings .855" valve spring seat pilots) 24503436
Cylinder Heads (L67) (1998+ New Castings .810" valve spring seat pilots) 24507848
Intake Parts
Air Intake Hose Including IAT Sensor for '99-'00 24507362
MAF/Throttle Body for a '01 (L67) 24507241
MAF/Throttle Body for a '99-'00 (L67) 24503396
MAF/Throttle Body for a '97-'98 (L67) 24503395
MAF/Throttle Body Screen for '97-'98 (L67) 24503677
MAF/Throttle Body Stud for a '97-'02 (L67) 24504462
Multiport Fuel Injection Throttle Body Seal (Gasket) 24503648
GM Under-Hood Radiator Air Deflector '99-'00 10419842
Cooling System
Coolant Overflow Hose for '99-'01 10291659
Heater Core 52465600
Robert Shaw 180° Thermostat 457180
Robert Shaw 160° Thermostat 457160
Thermostat Gasket for '97-'98 25535214
Water Pump for a (L36) & (L67) 12537829
Water Pump for a (LG8) 12518295
Radiator Air Deflector/Baffle for '99-'00 10442031
Radiator Air Deflector/Baffle for '01-'02 10423208
Coolant Reservoir Bottle from '99-'02 10423219
Transmission Parts
Part Descriptions Part Numbers
4T65E 1-2 piston spring for 4T65-E Transaxle (MN7) 24203976
4T65E 2-3 piston spring for 4T65-E Transaxle (MN7) 24203977
1-2 or 2-3 Accumulator piston 24206857
1-2 or 2-3 Accumulator piston pin 24203979
Accumulator Seal kit 24206959
Accumulator, cover 24211955
Filler Tube 4T65E 12562853
Transmission Pan 24206181
Transmission Pan Gasket for 4T65-E Transaxle (MN7) 24206182
Retaining Clip (E-Clip Holds Transmission Cooler Lines in at Radiator) 24205103
Carrier (Differential) for 4T65-E Transaxle (MN7) 24208455
AC-Delco Transmission Filter Kit for 4T65-E Transaxle (MN7) 24206433
VSS Reluctor Wheel 24202393
Electrical Parts
Inlet Air Temp Sensor (IAT) 12160244
Driver Side Headlight Assembly 16530417
Passenger Side Headlight Assembly 16525774
Head Light Bulb 9007
High Mount Brake Light Bulb 1141
Driver Side Headlight Capsule 16522599
Passenger Side Headlight Capsule 16522600
Drivers Side Taillight 5978571
Passenger Side Taillight 5978572
Passenger Side Turn Signal Lens Assembly 16522198
Drivers Side Turn Signal Lens Assembly 16522197
Driver Side Parking Turn Signal Lamp 16521834
Passenger Side Parking Turn Signal Lamp 16521833
Daytime Running Lights Diode 15043231
Heads Up Display (HUD) 9364292
Heads up Display (HUD) switch 10402058
Digital Dual-Zone Climate Control Unit 9351482
Window/Door Lock Switch Plate for Coupe (PLT-SW/MT) 10420344
Window/Door Lock Switch Plate for Coupe (SW-SI/WDO) 10404698
Keyless Entry Fobs & Batteries 10290246
Keyless Entry Fobs & Batteries 10246215
Window/Door Lock Switch Plate for Sedans (PLT-SW/MT) 10420343
Window Switch for Sedans (Driver Side) (SWITCH AY) 10290244
Window Switch for Coupe (Driver Side) 10290241
Headlamp and Dome Light Switch 10249112
Interior Door Light/Reflector for Coupe 10247551
Fog Light Switch 10249396
Fog Light Switch Wire Harness 12125665
Fog Light Bulb (27watts) 880
Fog Light Bulb (38watts) 893
Turn signal Relay 12450054
Turn signal Switch (switch only) 19005031
Trunk Lamp w/ Lens 10273135
Blower Motor Resistor for Manual Controls (Non-Dual Zone) 12135102
Dielectric Grease for your Plug-Wires 12345579
Spark Plug Wire Set (7MM Premium Delco) (Replaces P/N: 1219-2071) 12192468
Spark Plug Wire Set (L67) 12192421
Spark Plug Wire Set (L36) 12192153
Spark Plug Ignition Wire Shield Bracket (from a Bonneville) 24507192
Fuel Pump Resistor 10422108
Fuel Pump Resistor Kit (Includes: Resistor Zip Tires Wiring Harness) 88951182
Exterior Temperature Sensor for Electronic Dual-Zone AC 10248414
GM Under Hood Lamp 10251024
GM Under Hood Lamp Harness 12116958
Electronic Spark Control (ESC) Module 16051654
PCM for a '97 (L767) 16227797
PCM for a '98-'00 (L67) 16200870
Crank Position Sensor for a (LG8) 3.1L V6 12550965
Crank Position Sensor for a (L67) 10456161
Alternator for '97 GT or SE with the (L36) 3.8L V6 10464075
Power Window Driver Side Regulator/Motor 10413609
Heated Seat Switch 10416900
Harness for Power Seat 6-pin 12173255
Power Seat Switch 6-way 16788714
Fan/Ignition Switch 26068757
Alarm Module Package should fit most GP's with keyless entry 12463357
Alternator (Replaces P/N: 10463966) 10464075
Mass Air Flow Sensor (AC Delco P/N: 213-301) (L67) 24505519
Harness for Door Panel Light 12085535
Harness for Seat Heater Switch 15305927
Mass Air Flow Sensor 24505519
Starter (L67) S/C 3.8L V6 GTP 10465309
Keyless Entry Fobs & Batteries 10246215
Keyless Entry Fobs Battery 12538938
Knock Sensor (Rear) Harness Connector 12101763
Trunk Latch with Remote Solenoid 10304039
Delco Audio Amplifier (NON Bose) 9378542
Chevrolet Impala (POLICE 9C1 / 9C3) / (TAXI 9C6) 125 Amp Alternator Upgrade
125 Amp Alternator 10288764
DIC for '97 SE/GT (1st design, built before VIN 238198) 16234952
DIC for '97 GTP (1st design, built before VIN 238198) 16234942
DIC for '97 SE/GT (2nd design) 16249182
DIC for '97 GTP (2nd design) 16249192
DIC for '98 SE/GT 16268412
DIC for '98 GTP 16268422
DIC for '99 GTP 9360342
DIC Cover Panel with out Traction Control Button 16203865
DIC Cover Panel with Traction Control Button 16200975
DIC Bulbs 16151234
Interior Parts
Dash Retainers Clips 10410321
Upper Dash Cover Panel Alarm Led/Temp Sensor/Light Sensor 10402885
Instrument Cluster Lens 16213444
Door Panel Retainers Clips 10285935
Heavy Duty Door Panel Retainers Clips 10153057
Rear Seat Retainers 16809855
Center Console Inner Liner & Coin Holder 10439382
Center Console Inner Liner 10212199
Coin Holder 10436137
Steering Shaft 26057715
Front Seat Release Handle for Passenger Side Coupe 16705815
Front Seat Release Handle for Driver Side Coupe 16787419
Passenger Seat Skirt (Plastic Part) 16793071
Plastic Retainer Clip for Rear Seats 16809855
Leather Shift Knob with performance shift button (Graphite) 12559928
Leather Shift Knob with out performance shift button (Graphite) 10224210
A-Pillar Molding 10294524
Heads up Display (HUD) Dash Panel (Graphite) 10403050
Heads up Display (HUD) Dash Panel (Neutral) 10403056
Heads up Display (HUD) Clip 21040288
Heads up Display (HUD) Retainer 22547243
Coin Compartment (Left and/or Right Side of Steering Wheel) 10253332
Dash Bezel (Graphite) 10422488
Driver Lumbar Support Knob for '97 16787419
Passenger Seat Belt Retractor (Does NOT Include Buckle Side) 12455727
Carpet Front Floor Mats (Graphite) 12365644
Carpet Rear Floor Mats (Graphite) 12365647
Carpet Front Floor Mats (Neutral) 12365646
Carpet Rear Floor Mats (Neutral) 12365649
Carpet Front Floor Mats (Oak) 12371459
Carpet Rear Floor Mats (Oak) 12371460
Custom Vinyl Front Floor Mats (Graphite) 12495240
Custom Vinyl Rear Floor Mats (Graphite) 12495232
Custom Vinyl Front Floor Mats (Neutral) 12495242
Custom Vinyl Rear Floor Mats (Neutral) 12495236
Custom Vinyl Front Floor Mats (Gray) 12495241
Custom Vinyl Rear Floor Mats (Gray) 12495234
Passenger Side Heater/AC Accumulator '97-'00 16163982
Passenger Side Heater/AC Accumulator '01-'02 16177412
Exterior Parts
Hood (Stock) 12369173
Roof Hard Cargo Carrier ( Long, Black, Textured Finish (Four-Door Only)) 12495606
Roof Hard Cargo Carrier ( Long, Graphite, Smooth Finish (Four-Door Only)) 12495607
Roof Hard Cargo Carrier ( Short, Black, Textured Finish) 12495608
Roof Hard Cargo Carrier ( Short, Graphite, Smooth Finish) 12495609
Roof Mound Ski Carrier (Four-Pair) 12495611
Roof Mound Bicycle Carrier (One Bicycle) 12497223
Roof Rack for Roof Hard Cargo, Bicycle, Ski Carrier (Required) 12495560
Pontiac Arrowhead Crest (Front) 20696860
GTP Badge 10246507
Chrome "Grand" Badge 10246503
Chrome "Prix" Badge 10246504
GT/GTP Front Fascia for '98-'00 10292116
GT/GTP Rear Bumper Cover '98-'00 10299771
GP/GTP Stock Spoiler for '97-'00 12495073
Front Fascia Emblem (Arrow) 20696860
License Plate Attaching Parts (GT & GTP Style) 6270119
Silver GTP Badge 10246507
Red "GT" Badge 10255634
Drivers Side Front Fascia Grille for '97-'02 10283641
Passenger Side Front Fascia Grille for '97-'02 10283640
Wheel Well Liner Rear Driver Side 10444668
Wheel Well Liner Rear Passenger Side 10444669
Passenger Side Outside Mirror 10424657
Splash Guards w/Grand Prix logo 12371110
Passenger Side Rocker Molding of Coupe 12455147
Trunk Compartment Lid (NO Spoiler) 12527727
Trunk Strut 10414234
Trunk Latch 10304039
GM Trailer Hitch (1 7/8" Ball) 12495780
GM Trailer Hitch (2" Ball) 12495784
GM Trailer Hitch for GT/GTP 12496830
GM Trailer Hitch for SE 12496832
Subframe 10424591
Wheel Parts
Part Descriptions Part Numbers
Black Wheel Center Cap with Pontiac Arrowhead Symbol for '99 9593883
Silver Wheel Center Cap with "PONTIAC" Circles the Cap 9593444
GM Keyed Wheel Lock Set '97-'98 ( plastic caps fit on these) 0999057
Lug Cap '97-'98 (Black plastic) 9593228
Lug Nut (5 Pack) 10194314
Stainless Steel Lug Caps (10 Pack) 9593175
Oldsmobile Intrigue (Autobahn JA9) Spare Wheel for 11.9" Rotors (16" x 4") 9593686
Wheel Stud (Stock Length Wheel Stud) 9598498
Wheel Stud (Shorter Wheel Stud than Factory) 9590476
Driver Side Front Hub Bearing Kit 07470017
Bearing/Hub Assembly 1st design with Stainless Steel Clip for ABS Sensor Plug for '97 - '00 12429204
Bearing/Hub Assembly 2nd design with plastic clip for ABS sensor plug for '01 - '02 12429205
Hub Bolts (5 pack) These are the three "shoulder" bolts that hold the hub in (single-use only) 18022052
Fluids
Part Descriptions Part Numbers
Top Engine Cleaner (Top End Cleaner) 1050002
GM Supercharger Oil (4 FT. OZ.) 12345982
EOS - Engine Assembly Pre-lube (16 oz) 1052367
Power Steering Fluid (1 Quart) 1050017
Power Steering Fluid (16 FT. OZ.) 1052884
Suspension Parts
Part Descriptions Part Numbers
GTP Factory Rear Sway Bar 14mm 10284147
Rear Sway Bar Links 10413928
Steering Rack Gear Kit 6.508 26031079
Steering Shaft 26057715
Inner Tie Rod 26021769
Outer Tie Rod 26086579
Rear Sway bar links 10413928
Olds Intrigue Rear Springs (Approx. 3/4" Boost in the Rear) 10421038
Energy Suspension Polyurethane Sway Bar Bushings 9.5164R
Energy Suspension Polyurethane End Link Grommets 9.8105R
Heavy Duty Coil Springs (Fits all 4 Corners) 10258880
Front Control Arm Bushing 10260991
Rear Control Arm Bushing 10255029
Front Upper Strut Mounts 22179011
Strut Mount - Driver Side Rear 10410961
Strut Mount - Passenger Side Rear 10410962
Chevrolet Impala (POLICE 9C1 / 9C3) / (TAXI 9C6) Sway Bar Package
Set Part Descriptions Part Numbers
1-3. Front Sway Bar 10404184
2-3. Front Bushings x2 10403188
3-3. Front Bracket x2 10294949
1-3. Rear Sway Bar 10274610
2-3. Rear Bushing x2 10415925
3-3. Rear Bracket x2 10257809
Exhaust Parts
GM Rubber Exhaust Hangers Insulator 10231659
Exhaust Manifold Gasket 24506057
Exhaust Gasket 2.5" for Catalytic Converter to Resonator 10275205
Exhaust Gasket Between the Exhaust Manifold and Down Pipe 12565634
Exhaust Manifold Studs for a '97-'02 (L76) S/C 3.8L V6 24502332
Driver Side Exhaust Tips 10243867
Passenger Side Exhaust Tips 10243868
Corsa Catalyst Back Exhaust System 12498617
Brake Parts
Part Descriptions Part Numbers
ABS Jumper Wire 12144686
Brake Caliper Front Driver Side 18024956
Brake Caliper Front Passenger Side 18024957
Brake Caliper Rear Driver Side 18029935
Brake Caliper Rear Passenger Side 18029936
OEM Stock Front Rotors 18021359
Front Caliper Brake Bolt 18024960
Delco Front 10.4" Cross-Drilled and Slotted Rotors 18038816
OEM Stock Rear Rotors 18021354
Rear Caliper Bracket Bolt 18023389
Rear Caliper Pin Bolt 18029933
Rear Guide Pin Bushing Set 18029934
Delco Rear Cross-drilled and Slotted Rotors 18038815
Rear AC Delco Durastop Ceramic Brake Pads 88909660
GM Rear Brake Pads 18029844
Miscellaneous Parts
Key Blank (PK3M) 88951932
Key Blank, Pass Key III, Valet 02852330
Hood Struts 10401309
GTP Engine Cover (Shield) for '97-'01 GTP 24505882
GT Engine Cover (Shield) for '99 GT 12565395
Stock engine cover nut 11514596
Windshield with (HUD) Tinted 10302619
Bose Speaker Grills for Front Doors 1175962
Vent Visors (Two-Door, Smoke) 12495058
Taillight/Trunk Net "clips" (NUT-WING) 10079160
Engine Oil Dip Stick (Yellow) 12574823
Blank Key (PASS Key III, valet) 2852330
Blank Key (PASS Key III) 88951932
Suburban/Tahoe Rear View Mirror with Outside Temp & Compass 15031606
