Engine Blocks for 2003 GMC Sierra 1500
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2003
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Sierra 1500
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Chevrolet Silverado GMC Sierra 6.6L Diesel Engine Coolant Heater element new OEM (Fits: 2003 GMC Sierra 1500)
Brand New: Factory/OEM$55.19Top Rated Plus- Sellers with highest buyer ratings
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Free shipping40 soldDorman 264-135 Engine Oil Pan fits General Motors models (Fits: More than one vehicle)
Authorized Dorman Distributor - Lifetime WarrantyBrand New: Dorman$190.82Top Rated Plus- Sellers with highest buyer ratings
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00 01 02 03 04 05 06 GMC YUKON XL 5.3L AT ENGINE COVER OEM 3186-42 (Fits: 2003 GMC Sierra 1500)
FINAL SALE ITEMPre-Owned: GMC$48.00$15.00 shippingOEM NEW Durmax Diesel Block Heater 01-16 Cadillac Chevrolet GMC 12657629 (Fits: 2003 GMC Sierra 1500)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: GM$40.49Free shippingOnly 1 left!Expansion Plug Kit For 1999-2013 GMC Sierra 1500 2000 2001 2002 2003 2004 H541RC (Fits: 2003 GMC Sierra 1500)
Brand New: Melling$22.98Free shippingFor 2000-2013 GMC Sierra 1500 Freeze Plug Dorman 33242JK 2001 2002 2003 2004 (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$21.77Free shippingFor 1999-2005 GMC Sierra 1500 Expansion Plug Dorman 29414NS 2000 2001 2002 2003 (Fits: 2003 GMC Sierra 1500)
2004 4.3L V6Brand New: Dorman$14.71Free shippingFor 2001-2003, 2005-2006 GMC Sierra 1500 HD Expansion Plug Kit 69461XP 2002 (Fits: 2003 GMC Sierra 1500 HD)
Brand New: Melling$20.28Free shippingExpansion Plug For 1999-2005 GMC Sierra 1500 2000 2001 2002 2003 2004 DD723XR (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$19.92Free shippingFor 2001-2003, 2005-2006 GMC Sierra 1500 HD Freeze Plug Dorman 63146VDMM 2002 (Fits: 2003 GMC Sierra 1500 HD)
Brand New: Dorman$21.17Free shippingExpansion Plug For 1999-2005 GMC Sierra 1500 4.3L V6 2000 2001 2002 2003 YQ248RX (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$17.21Free shippingExpansion Plug For 1999-2005 GMC Sierra 1500 4.3L V6 2000 2001 2002 2003 ZC784BW (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$17.42Free shippingGM OEM-Engine Crankshaft Main Bearing 89017572 (Fits: More than one vehicle)
#25 on Diagram Only-Genuine OE Factory Original ItemBrand New: GM$50.54Free shippingFor Chevy Silverado 1500 Classic 07 Engine Block Valley Cover Gasket GM Original (Fits: 2003 GMC Sierra 1500)
Brand New: ACDelco$42.19Was: $52.74Free shippingFreeze Plug For 2000-2013 GMC Sierra 1500 2001 2002 2003 2004 2005 2006 R632VB (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$23.09Free shippingFor 1999-2005 GMC Sierra 1500 Expansion Plug Dorman 13125QQFY 2000 2001 2002 (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$17.82Free shippingFreeze Plug Set Fits 87-06 Chevrolet GMC Astro Blazer 4.3L V6 OHV 12v (Fits: 2003 GMC Sierra 1500)
Brand New$21.99Top Rated Plus- Sellers with highest buyer ratings
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Free shipping182 soldFor 2001-2003, 2005-2006 GMC Sierra 1500 HD Expansion Plug Kit 74444MF 2002 (Fits: 2003 GMC Sierra 1500 HD)
Brand New: Melling$29.10Free shippingFor 1999-2010 GMC Sierra 1500 Expansion Plug Kit 55646TS 2000 2001 2002 2003 (Fits: 2003 GMC Sierra 1500)
2004 2005 2006 2007 2008 2009Brand New: Pioneer$25.82For 1999-2013 GMC Sierra 1500 Expansion Plug Kit 77491FM 2006 2000 2001 2002 (Fits: 2003 GMC Sierra 1500)
Brand New: Melling$25.79Free shippingExpansion Plug Kit For 2002-2013 GMC Sierra 1500 4.3L V6 VIN: X 2003 2004 M177MZ (Fits: 2003 GMC Sierra 1500)
Brand New: Melling$34.04Free shippingDorman 264-965 Valve Cover Left fits General Motors, Isuzu and Saab models (Fits: 2003 GMC Sierra 1500)
Authorized Dorman Distributor - Lifetime WarrantyBrand New: Dorman$102.1900 01 02 03 04 05 06 CHEVY TAHOE 5.3L AT ENGINE COVER OEM 3117-35 (Fits: 2003 GMC Sierra 1500)
FINAL SALE ITEMPre-Owned: Chevrolet$48.00$15.00 shipping87-06 Expansion Plug Kit For Chevrolet GMC Astro 4.3L V6 OHV 12v DNJ FPS3125 (Fits: 2003 GMC Sierra 1500)
Brand New$23.99Free shippingFor 1999-2005 GMC Sierra 1500 Expansion Plug Dorman 83233QVYC 2000 2001 2002 (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$15.17Free shippingFor GMC Sierra 08-12 Engine Block Valley Cover Gasket Genuine GM Parts Rear (Fits: More than one vehicle)
Brand New: ACDelco$43.32Was: $54.15$13.51 shippingFor 1999-2005 GMC Sierra 1500 Expansion Plug Dorman 73718WGWY 2000 2001 2002 (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$15.40Free shippingLS Block Coolant & Oil Plug Kit 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LQ4 LM7 L99 LR4 (Fits: More than one vehicle)
Brand New: Michigan$28.99137 soldEngine Block Main Caps From 2006 Chevrolet Silverado 1500 4.3 (Fits: 2003 GMC Sierra 1500)
Pre-Owned: Chevrolet$68.95HUGE SALE Driver Exhaust Manifold 6.0L Fits 99-16 SIERRA 2500 PICKUP 1537718 (Fits: 2003 GMC Sierra 1500)
ABC AUTO PARTS CERTIFIED GOLD SEAL AUTO RECYCLERPre-Owned: GMC$80.48Top Rated Plus- Sellers with highest buyer ratings
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$50.00 shippingDorman Expansion Plug fits GMC Sierra 1500 1999-2005 4.3L V6 52YZNS (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$18.07Free shippingDNJ FPS3165 Engine Expansion Plug Kit (Fits: 2003 GMC Sierra 1500)
DNJ Engine Components FPS3165 Multiple US LocationsBrand New: DNJ Engine Components$14.99Was: $17.99Expansion Plug Kit For 1999-2013 GMC Sierra 1500 2006 2000 2001 2002 KP923YQ (Fits: 2003 GMC Sierra 1500)
Brand New: Melling$27.52Free shippingDorman Expansion Plug fits GMC Sierra 1500 1999-2005 4.3L V6 69DFDB (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$18.85Free shippingEngine Block Main Caps From 2005 Chevrolet Silverado 1500 4.3 (Fits: 2003 GMC Sierra 1500)
Pre-Owned: Chevrolet$64.95Melling 91TZ66V Expansion Plug Kit Fits 1999-2013 GMC Sierra 1500 (Fits: 2003 GMC Sierra 1500)
Brand New: Melling$26.72Freeze Plug 5NJW16 for Sierra 2500 Envoy XL Yukon Canyon 1500 HD 3500 Savana (Fits: More than one vehicle)
Brand New: Dorman$24.28Free shippingBS40656 Felpro Rear Main Seal New for Chevy Olds Suburban Express Van S10 Pickup (Fits: 2003 GMC Sierra 1500)
Brand New: Fel-Pro$39.30Free shipping99 00 01 02 03 04 05 06 SILVERADO 1500 TAHOE YUKON SIERRA 5.3L ENGINE (Fits: 2003 GMC Sierra 1500)
COST FOR COMMERCIAL DELIVERY *RESIDENTIAL COST EXTRA*Pre-Owned: Chevrolet$750.00$450.00 shippingExpansion Plug Kit 61KTZB37 for Sierra 1500 Canyon Envoy XL XUV Savana 2500 3500 (Fits: More than one vehicle)
Brand New: Melling$27.79Free shippingDorman 917-139 Harmonic Balancer Bolt fits Chevy GMC Models 12557840 (Fits: 2003 GMC Sierra 1500)
Limited Lifetime WarrantyBrand New: Dorman$12.24Trending at $14.39eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.555-030.1 Dorman Freeze Plugs for Chevy Le Sabre Suburban Chevrolet C1500 Truck (Fits: 2003 GMC Sierra 1500)
Brand New: Dorman$18.03Free shippingHUGE SALE Driver Exhaust Manifold 6.0L Fits 99-16 SIERRA 2500 PICKUP 1533453 (Fits: 2003 GMC Sierra 1500)
ABC AUTO PARTS CERTIFIED GOLD SEAL AUTO RECYCLERPre-Owned: Chevrolet$80.48Top Rated Plus- Sellers with highest buyer ratings
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$50.00 shippingFPS3125 DNJ Freeze Plugs Set for Chevy Olds Express Van S10 Pickup S-10 BLAZER (Fits: 2003 GMC Sierra 1500)
Brand New$38.81Free shippingFPS3195 DNJ Freeze Plugs Set for Chevy Suburban Express Van SaVana Tahoe C1500
Brand New$46.60Free shippingBS40656 Felpro Rear Main Seal for Chevy Olds Suburban Express Van S10 Pickup (Fits: 2003 GMC Sierra 1500)
Brand New: Fel-Pro$43.43Free shippingBS40656 Felpro Rear Main Seal New for Chevy Olds Suburban Express Van S10 Pickup (Fits: 2003 GMC Sierra 1500)
Brand New: Fel-Pro$39.35Free shippingEngine Valve Cover for G8, Escalade, Escalade ESV, Escalade EXT+More 264-965 (Fits: More than one vehicle)
Message us your OE part number and we will verify matchBrand New: Dorman$133.11Free shipping