Engine Assembly-Oil Pump, Pan & Related Parts fit your 2004 Chevrolet Trailblazer 2WD

Currently shopping for

2004 Chevrolet Trailblazer 2WD

Change Vehicle

Vehicle Options

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door

Vehicle Options

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door

Categories Close X

Currently selected

Engine

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers

Cooling System, Grille, Oil System

Frames, Springs, Shocks, Bumpers, Fascias

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

How to use OE catalog

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

12612350
GASKET, Engine Oil Pan, GASKET,OIL PAN(PART OF 400)
$82.57 $48.28
1
Add To Cart

12616850
SEAL, Engine Oil Pan Drain Plug, SEAL,OIL PAN DRAIN PLUG(O RING)(PART OF 400,404)(DIAMETER 19.39)
$7.89 $4.79
1
Add To Cart

SEAL, Engine Oil Pan Drain Plug
12616850
SEAL, OIL PAN DRAIN PLUG(O RING)(PART OF 400,902)(DIAMETER 19.39)
Fitting Vehicle Options: ST1(LM4)
$7.89 $4.79
1
Add To Cart
3536966
SEAL, OIL PAN DRAIN PLUG(O RING)(PART OF 400,902)(20.74MM OUTSIDE DIAMETER)
- Fitting Vehicle Options: ST1(LM4,M30)
$4.67 $3.24
1
Add To Cart

12584922
SEAL, Engine Oil Pump Cover, SEAL,OIL PUMP(O RING)(PART OF 407)(ORANGE)(INSIDE DIAMETER=19.63 T=4.32)(TEFLON COATED)
$12.64 $7.38
1
Add To Cart

89060436
SEAL KIT, Engine Rear Main Bearing, SEAL KIT,CRANKSHAFT REAR OIL(PART OF 518)(REVERSE LIP SEAL,INCLUDE INSTRUCTION SHEET)
$39.93 $24.13
1
Add To Cart

12639249
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)
$68.95 $40.32
1
Add To Cart

24504031
SEAL, Engine Oil Level, SEAL,OIL LEVEL INDICATOR(O RING)(PART OF 424)(6.07 INSIDE DIAMETER; 1.78 DIAMETER)
$17.88 $10.80
1
Add To Cart

24504031
SEAL, Engine Oil Level, SEAL,OIL LEVEL INDICATOR TUBE(O RING)(PART OF 423)(6.07 INSIDE DIAMETER; 1.78 DIAMETER)
$17.88 $10.80
1
Add To Cart

24504031
SEAL, Engine Oil Level, SEAL,OIL LEVEL INDICATOR TUBE(O RING)(PART OF 420)(6.07 INSIDE DIAMETER; 1.78 DIAMETER)
$17.88 $10.80
1
Add To Cart

24504031
SEAL, Engine Oil Level, SEAL,OIL LEVEL INDICATOR TUBE(O RING)(PART OF 418)(6.07 INSIDE DIAMETER; 1.78 DIAMETER)
$17.88 $10.80
1
Add To Cart

BOLT, Engine Rear Main Bearing
12556127
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)(M8X1.25X24)(0.056)
Fitting Vehicle Options: ST1(LM4)
$5.46 $3.30
1
Add To Cart
12556127
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)(M8X1.25X24)(0.056)
- Fitting Vehicle Options: S1(LM4,M30)
- Require Quantity: 12
- Package Quantity: 1
$5.46 $3.30
1
Add To Cart

12573460
PLUG, Engine Oil Distribution, PLUG,ENGINE BLOCK OIL GALLERY(INCLUDES 110)(15.68MM DIAMETER)(INCLUDES O-RING SEAL(N.S.S.)
$11.90 $7.18
1
Add To Cart

12378521
SEALANT, Maintenance Products, SEALANT,ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(OIL PAN)
$24.73 $14.08
6
Add To Cart

12558759
RIVET, Engine Oil Pan, RIVET,OIL PAN GASKET(PART OF 400)
- Require Quantity: 02
- Package Quantity: 1
$7.35 $4.61
1
Add To Cart

BOLT, Engine Front Cover
11588718
BOLT, ENGINE FRONT COVER(-HEX FLANGED HEAD,M6X1X50,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359,MAT POINT)(M6X1X50)(TOGETHER WITH 19333511 ADHESIVE)
Require Quantity: 02
Package Quantity: 1
$10.27 $6.52
1
Add To Cart
24577504
BOLT, ENGINE FRONT COVER(M5X0.8-6G)(CENTER)
$5.79 $3.66
1
Add To Cart

12635957
SWITCH, Engine Oil Pressure/Temperature, SWITCH,ENGINE OIL PRESSURE
- Replaced By: 19436253
$82.24 $48.10
1
Add To Cart

12556582
SPROCKET, Engine Crankshaft/Timing, SPROCKET,CRANKSHAFT
$52.83 $31.92
1
Add To Cart

12611129
DEFLECTOR, Engine Oil Pan, DEFLECTOR,CRANKSHAFT OIL
$66.85 $39.09
1
Add To Cart

11516480
BOLT, Engine Oil Pan, BOLT,OIL PAN COVER(PART OF 400)(M6X1X25-10MM SOCKET)
$12.83
1
Add To Cart

11562588
PLUG, Engine Oil Pan Drain, PLUG,OIL PAN DRAIN(INCLUDES 405)(PART OF 400)(M12X1.75X25)(W/SEAL)(EXCEPT MAGNET)(W/HEXAGON HEAD)
$12.65 $7.63
10
Add To Cart

11562588
PLUG, Engine Oil Pan Drain, PLUG,OIL PAN DRAIN(PART OF 400)(INCLUDES 903)(M12X1.75X25)(W/SEAL)(EXCEPT MAGNET)(W/HEXAGON HEAD)
$12.65 $7.63
10
Add To Cart

12554990
BOLT, Engine Oil Pan, BOLT,OIL PAN(PART OF 400)(M6X1.0X136)
- Require Quantity: 02
- Package Quantity: 1
$7.74 $4.67
1
Add To Cart

24100119
SPRING, Engine Oil Pressure, SPRING,OIL PRESSURE RELIEF VALVE(PART OF 512)
$11.34 $7.20
1
Add To Cart

VALVE, Engine Oil Filter

25014612
VALVE, OIL FILTER BYPASS(W/O VAPOR SEPARATOR)(OPENING PRESSURE 21 PSI NOMINAL)(PART HAS A 16.10MM MAX OUTSIDE DIAMETER & FITS A 15.84 HOLE IN BLOCK)
$10.08 $5.34
1
Add To Cart
25014006
VALVE, OIL FILTER BYPASS(W/CAGE, SEAT, SPRING & VALVE)(OPENING PRESSURE 11 PSI NOMINAL)
$8.72 $4.62
1
Add To Cart

12552357
FITTING, Engine Oil Filter, FITTING,OIL FILTER(PART OF 400)(13/16 X 16 UNC-M20X1.5 SAE 12L14)
$16.83 $10.69

24576940
SEAL, Engine Front Cover, SEAL,ENGINE FRONT COVER(PART OF 512)(PLUG)

SEAL, Engine Oil Pump
12575550
SEAL, OIL PUMP SUCTION PIPE(HAS FLAT GASKET SEAL.FOR 1ST DESIGN SEE 12557752)(PART OF 406)
Fitting Vehicle Options: ST1(LL8)(2ND DES)
$32.19 $19.45
5
Add To Cart
12557752
SEAL, OIL PUMP SUCTION PIPE(PART OF 406)(BLUE)(1.724)(W/ 0-RING SEAL PART OF PICK UP TUBE.FOR 2ND DESIGN SEE 12575550)
- Fitting Vehicle Options: ST1(LL8)(1ST DES)
$9.19 $5.75
1
Add To Cart

12710303
PUMP, Engine Oil Pump, PUMP,OIL(INCLUDES 408,409,412-416)
$185.26 $76.48
1
Add To Cart

24575062
FITTING, Engine Oil Filter, FITTING,OIL FILTER
$13.50 $8.46
1
Add To Cart

12628565
COVER, Engine Front Cover, COVER,ENGINE FRONT(W/OIL PMP)(INCLUDES SEAL(FRONT COVER),GEARS, PLUG AND RELIEF VALVE)(INCLUDES 411-416,418)(2ND DESIGN COVER FOR USE WITH FLAT SEAL AT OIL PUMP PICK-UP TUBE/SCREEN.MUST USE WITH 2ND DESIGN SCREEN P/N 12589061,HAVING FLAT SEAL.")

12567653
GASKET, Engine Oil Filter, GASKET,OIL FILTER PIPE ADAPTER(LOWER)(PART OF 400)
$10.66 $5.65
1
Add To Cart

12590589
TUBE, Engine Oil Level, TUBE,OIL LEVEL INDICATOR(INCLUDES 905)(INCLUDE SEAL)
$99.73 $41.17
1
Add To Cart

12567654
GASKET, Engine Oil Filter, GASKET,OIL FILTER PIPE ADAPTER(SIDE)(PART OF 400)

12580810
INDICATOR, Engine Oil Level, INDICATOR,OIL LEVEL(INCLUDES 903)
$44.32 $27.79
1
Add To Cart

11519681
BOLT, Engine Oil Pan, BOLT,HEX FLANGED HEAD,M8X1.25X34,25 THREAD,18 O.D.,9.8,GMW3359(OIL PAN)
- Require Quantity: 20
- Package Quantity: 1

12565692
SCREEN, Engine Oil Pump, SCREEN,OIL PUMP(W/SUCTION PIPE)(INCLUDES 406)(INCLUDES PIPE,SCREEN,SEAL)
$114.42 $71.74
1
Add To Cart

12567172
TUBE, Engine Oil Level, TUBE,OIL LEVEL INDICATOR(INCLUDES 421)
$89.06 $55.85
1
Add To Cart

SCREEN, Engine Oil Pump
12589061
SCREEN, OIL PUMP(W/SUCTION PIPE)(INCLUDES 407,419,904,906)(HAS FLAT GASKET SEAL.FOR 1ST DESIGN SEE 12570894)
Fitting Vehicle Options: ST1(LL8)(2ND DES)
$106.08 $77.16
1
Add To Cart
12570894
SCREEN, OIL PUMP(W/SUCTION PIPE)(INCLUDES 407,419,904,906)(W/ -O-RING SEAL PART OF PICK UP TUBE.FOR 2ND DESIGN SEE 12589061)
- Fitting Vehicle Options: ST1(LL8)(1ST DES)

12575957
INDICATOR, Engine Oil Level, INDICATOR,OIL LEVEL(INCLUDES 417)
$61.41 $38.51
1
Add To Cart

PAN, Engine Oil
12613437
PAN, OIL(INCLUDES:PLUG,DRAIN/VALVE,BYPASS/BAFFLE,OIL PAN/GASKET,OIL FILTER PIPE ADAPTER/BOLT,OIL PAN/PLUG,OIL LEVEL)(INCLUDES 426-428,436,438,439,901-912)(USE W/PF48 OIL FILTER)
Fitting Vehicle Options: ST1(LM4)
$523.85 $328.45
1
Add To Cart
12584321
PAN, OIL(NOTES:1)(INCLUDES 404,405,900)(NEW PAN LESS BAFFLES,GASKET,WHICH ARE NOT REQUIRED)
- Fitting Vehicle Options: ST1(LL8)
$348.26 $220.43

12639250
HOUSING, Engine Rear Main Bearing, HOUSING,CRANKSHAFT REAR OIL SEAL(INCLUDES 41,517,519)
$100.57 $58.30
1
Add To Cart

12684294
VALVE, Engine Oil Filter, VALVE,OIL FILTER BYPASS(PART OF 400)
$11.20 $5.94
1
Add To Cart

FILTER, Engine Oil Filter

12731172
FILTER, OIL(DURAGUARD)
$9.56 $5.07
1
Add To Cart
25329389
FILTER, OIL(ULTRAGUARD GOLD)
- Replaced By: 19391149
$18.46 $9.78
1
Add To Cart

12731179
FILTER, Engine Oil Filter, FILTER,OIL
$10.60 $5.62
12
Add To Cart

12565092
PLUG, Engine Oil Pan, PLUG,OIL PAN HOLE(PART OF 400)(MOUNTS IN OIL PAN)
$6.11 $3.88

24577281
BOLT, Engine Oil Pump, BOLT,OIL PUMP(M6X1.0X23 THREAD..MATERIAL:GM500M(9.8)STEEL..FINISH:PER GM4435M,CODE G.)(PART OF 512)(M6X1.0X22)
- Require Quantity: 07
- Package Quantity: 1

92061150
PLUG, Engine Oil Pan, PLUG,OIL PAN HOLE(TRANSFER TUBE)(PART OF 400)

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(OIL PAN)(8.915)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 11610091
$10.24 $6.05
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2004 Chevrolet Trailblazer 2WD parts. Parts like Engine Assembly-Oil Pump, Pan & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.2L, 8 Cyl 5.3L. Model Code: 4 DOOR.