General Motors Engines & Engine Parts for 2003 Chevrolet Impala
Find parts that fit
We need more information about your vehicle to confirm fit.
2003
Chevrolet
Impala
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
1,277 Results
Genuine GM Oil Pan 12512670 (Fits: 2003 Chevrolet Impala)
OEM Factory Oil Pan | 12512670Brand New: GM$256.30$35.78 shippingOEM 19333180 Rocker Arm Kit Set of 12 for Buick Chevy Oldsmobile Pontiac Saturn (Fits: 2003 Chevrolet Impala)
Order by Noon EST and this part ships today!Remanufactured: General Motors$355.42Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $652.95Genuine GM Engine Mount Strut Bracket 10271462 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$222.11Free shippingOEM 19333180 Rocker Arm Kit Set of 12 for Buick Chevy Oldsmobile Pontiac Saturn (Fits: 2003 Chevrolet Impala)
1-Yr Warranty. Guaranteed Correct Part. Highest QualityRemanufactured: General Motors$389.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $652.951998-2003 GM 3800 Series 2 OEM 3.8L engine oil filler tube cap Chevrolet Impala
Pre-Owned: GM$15.00$5.85 shipping3.8 GM CHEVY CYLINDER HEAD CAMARO FIREBIRD GRAND PRIX IMPALA MONTE CARLO 95-05 (Fits: 2003 Chevrolet Impala)
Remanufactured: GM$199.00or Best Offer$50.00 shipping2 watchingGM Oil Pan w Sensor Hole 1994-2003 6-cyl 3.1L & 3.4L 3100 3400 12577511 12512670 (Fits: 2003 Chevrolet Impala)
Pre-Owned: General Motors$55.95Free shipping35 sold2000-2005 CHEVROLET IMPALA 3.4L LEFT VALVE COVER 12578137 OEM (Fits: 2003 Chevrolet Impala)
Pre-Owned$39.99Was: $49.99Chevrolet Pontiac Buick Oldsmobile 3.8L Engine Crankshaft Front OIL SEAL new OEM (Fits: 2003 Chevrolet Impala)
Brand New: Factory/OEM$24.44Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Only 3 leftOEM 3.8L Engine Oil Level Dipstick Indicator Buick Chevrolet Pontiac 12574823 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$25.53Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!NEW GM OEM ENGINE MOTOR MOUNT- TORQUE STRUT- GENERAL MOTORS GMC 10448575 (Fits: 2003 Chevrolet Impala)
FREE SHIPPING!! DEALER DIRECT!!Brand New$93.99Free shippingOnly 1 left!GMC Chevy Buick Pontiac OEM Engine Mount Strut Bracket 10271462 (Fits: 2003 Chevrolet Impala)
Brand New: GM$113.95Was: $119.95Free shippingNEW OEM GM Engine Valve Cover Left 12590366 Chevy Buick Olds Pontiac 3.8L 90-09 (Fits: 2003 Chevrolet Impala)
Brand New: GM$44.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingOEM NEW Engine Oil Pressure Sending Unit Switch 3.8L 97-09 Buick 12575008 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$29.88Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 2 leftGenuine GM Engine Oil Dipstick 12574823 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$26.46Engine Camshaft Position Sensor (Fits: 2003 Chevrolet Impala)
Brand New: ACDelco (OE)$34.61Free shippingOnly 1 left!Chevrolet Pontiac Buick Oldsmobile 3.8L Engine Crankshaft Rear OIL SEAL new OEM (Fits: 2003 Chevrolet Impala)
Brand New: Factory/OEM$33.69Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Only 1 left!OEM NEW 1993-2007 Buick Chevrolet Pontiac Engine Valve Push Rod 10166354 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTS ?��??�Brand New: General Motors$12.53Only 1 left!GM 12590363 3800 improved design valve cover (Fits: 2003 Chevrolet Impala)
Brand New: GM$25.50Trending at $32.91eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.$11.95 shippingOEM NEW Engine Valve Cover 3.8L V6 Pontiac Chevrolet Buick Oldsmobile 12590365 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$76.58Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
39 soldGenuine GM Timing Chain 24504668 (Fits: 2003 Chevrolet Impala)
OEM Factory Timing Chain | 24504668Brand New: GM$69.71$16.95 shipping*GM BRACE TRANSAXLE 25628604 GM 25628604 (Fits: 2003 Chevrolet Impala)
Brand New: GM$32.42Free shippingOriginal GM NOS 1995-99 Olds Pontiac 00-05 Chevy Impala Engine Oil Pan 3.8L 231
New (Other): General Motors$60.00or Best OfferFree shippingGenuine GM Engine Mount Strut Bracket 10271462 (Fits: 2003 Chevrolet Impala)
OEM Factory Engine Mount Strut Bracket | 10271462Brand New: GM$251.00$24.66 shippingOEM 19333180 Rocker Arm Kit Set of 6 for Buick Chevy Oldsmobile Pontiac Saturn (Fits: 2003 Chevrolet Impala)
1-Yr Warranty. Guaranteed Correct Part. Highest QualityRemanufactured: General Motors$214.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $339.95NEW OEM 2000-2005 Chevrolet Impala Driver Side Valve Rocker Cover 12590366 (Fits: 2003 Chevrolet Impala)
Brand New: General Motors$34.37Was: $68.75or Best Offer$15.00 shippingEngine Crankshaft Main Bearing Genuine GM 12480821 (Fits: 2003 Chevrolet Impala)
New (Other): General Motors$38.00Was: $40.00$5.99 shippingOEM NEW 1995-2009 Buick Chevrolet Oldsmobile Pontiac Engine Piston 19299371 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$113.88NEW OEM GM Engine Exhaust Valve 12579949 Chevrolet Buick Pontiac 3.8L 1995-2009 (Fits: 2003 Chevrolet Impala)
Brand New: GM$17.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingOIL PAN 3.4L FITS 01-03 SILHOUETTE 614704 (Fits: 2003 Chevrolet Impala)
A GRADE CONTACT US TO CONFIRM COMPATIBILITYPre-Owned: GM$85.00New ListingGenuine GM Engine Oil Filler Cap 12573337 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$18.26Genuine GM Valve Spring Cap 10166344 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: General Motors$22.54Free shippingOEM 19333180 Rocker Arm Kit Set of 6 for Buick Chevy Oldsmobile Pontiac Saturn (Fits: 2003 Chevrolet Impala)
Order by Noon EST and this part ships today!Remanufactured: General Motors$184.60Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $339.95GM OEM-Valve Lifter 17122490 (Fits: 2003 Chevrolet Impala)
#13 on Diagram Only-Genuine OE Factory Original ItemBrand New: General Motors$39.82Free shippingNEW OEM GM Engine Vacuum Harness 12581196 Chevy Pontiac Buick 3.4 2003-2005 (Fits: 2003 Chevrolet Impala)
Brand New: General Motors$25.15Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingGenuine GM Engine Camshaft 24505811 (Fits: 2003 Chevrolet Impala)
*Nationwide Warranty * Compatibility Guarantee w/ VIN*Brand New: GM$186.38Free shipping4 watchingGenuine GM Engine Oil Filler Cap 12573337 (Fits: 2003 Chevrolet Impala)
QUIRKNHPARTS. TRUSTED SELLER. PARTS SOLD AS QUANTITY 1Brand New: GM$18.26Only 1 left!New ListingGenuine GM Driver Side Rocker Arm Cover 12590366 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$86.85Engine Intake Manifold Gasket Set (Fits: 2003 Chevrolet Impala)
Brand New: General Motors$30.58Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
$6.88 shippingOnly 1 left!Engine Cylinder Head Bolt GM Parts 11518953 (Fits: 2003 Chevrolet Impala)
Brand New$11.28Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $14.10or Best OfferFree shippingNew ListingGenuine GM Engine Oil Level Sensor 12603782 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$35.68Genuine GM Timing Chain 24506090 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$81.69Free shippingGenuine GM Gasket-Oil Pan 12587964 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTS ⚙️Brand New: GM$84.18Was: $93.53or Best OfferNew ListingGenuine GM Engine Oil Filler Cap 12589430 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$27.72New ListingGenuine GM Engine Crankshaft Position Sensor 10456161 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$102.3124240315 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$15.40or Best OfferOEM NEW Engine Oil Filler Cap 5W-30 94-12 Buick Cadillac Chevrolet GMC 12573337 (Fits: 2003 Chevrolet Impala)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$16.71Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 2 leftNew ListingGenuine GM Engine Oil Filler Cap 12589430 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$22.81$19.18 shippingGenuine GM Multi-Purpose O-Ring 24504031 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$12.50$19.18 shippingGM OEM-Valve Lifter 17122490 (Fits: 2003 Chevrolet Impala)
#13 on Diagram Only-Genuine OE Factory Original ItemBrand New: GM$45.36$4.00 shippingNew ListingGenuine GM Driver Side Rocker Arm Cover 12590366 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: GM$67.94$22.38 shippingNew ListingGenuine GM Valve Spring Cap 10166344 (Fits: 2003 Chevrolet Impala)
New OEM Factory PartBrand New: General Motors$3.98$19.18 shippingGenuine GM Drive Gear 24504792 (Fits: 2003 Chevrolet Impala)
OEM Factory Drive Gear | 24504792Brand New: GM$10.04$23.49 shippingGenuine GM ValveInt 12616697 (Fits: 2003 Chevrolet Impala)
OEM Factory Valve,Int | 12616697Brand New: GM$65.48$16.95 shipping
General Motors
One stop shop for all things from your favorite brand