The 2003 Buick Oxygen Sensor at A-Premium.com is your ideal choice. Our auto parts are engineered in high quality, perfect for durability and performance. Whether you're maintaining or upgrading your vehicle, our 2003 Buick Oxygen Sensor are designed to meet or exceed OEM standards—ensuring a seamless replacement experience. With extensive coverage for a wide range of makes, models, and years, A-Premium offers the confidence and value drivers expect. Choose A-Premium for precision-engineered parts that keep your vehicle running smoothly, mile after mile.
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2003 Buick Oxygen Sensor
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Aftermarket 2003 Buick Oxygen Sensor Replacement Parts
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2003 Buick LeSabre 2-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS0398
Part #APOS0398
LeSabre
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
74.99
Ships within 24 hours
2003 Buick Rendezvous 2-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS1512
Part #APOS1512
Rendezvous
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
72.99
Ships within 24 hours
2003 Buick LeSabre 4-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS0969
Part #APOS0969
LeSabre
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
150.99
Ships within 24 hours
Denso 234-4012 Oxygen Sensor
Part #234-4012
88,Trans Sport,C2500,Amigo,Hombre,Sierra 1500,Safari,Leganza,Camaro,Suburban 1500,S10 Blazer,Yukon XL 1500,Avalanche 1500,LeSabre,Savana 1500,SLX,98,Cutlass Supreme,C1500,Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
38.99
Ships within 24 hours
Spectra Premium OS5042 Oxygen Sensor
Part #OS5042
88,Trans Sport,C2500,Sierra 1500,Venture,Safari,Seville,Aurora,Camaro,Suburban 1500,Silverado,K3500,Yukon XL 1500,Avalanche 1500,LeSabre,Savana 1500,Cutlass Supreme,C1500,Regency,Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
30.99
Ships within 24 hours
Spectra Premium OS5045 Oxygen Sensor
Part #OS5045
Sky,Uplander,Torrent,Sierra 1500,CTS,GTO,Outlook,Sierra 3500 HD,Sierra,Silverado 3500 HD,Cobalt,Seville,Suburban 1500,Yukon XL 1500,Avalanche 1500,Aura,Grand Prix,Montana,Envoy XUV,Suburban
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
31.99
Ships within 24 hours
Denso 234-4018 Oxygen Sensor
Part #234-4018
88,Trans Sport,C2500,Sierra 1500,Venture,Safari,Seville,Aurora,Camaro,Suburban 1500,K3500,Yukon XL 1500,Avalanche 1500,LeSabre,Savana 1500,Cutlass Supreme,C1500,Regency,Grand Prix,Montana
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
42.99
Ships within 24 hours
Bosch 13474 Oxygen Sensor
Part #13474
88,Trans Sport,C2500,Sierra 1500,Venture,Safari,Seville,Aurora,Camaro,Suburban 1500,K3500,Yukon XL 1500,Avalanche 1500,LeSabre,Savana 1500,Cutlass Supreme,C1500,Regency,Grand Prix,Montana
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
43.99
Ships within 24 hours
Vemo V10-76-0044 Oxygen Sensor
Part #V10-76-0044
Sierra 3500 Classic,Tracker,Trailblazer EXT,Sierra 3500,Sierra 3500 HD,Corvette,Silverado 3500 HD,Voyager,Solara,Silverado 1500 HD,Trailblazer,Yukon,Savana 3500,Sierra 2500 HD,Express 2500,Savana 1500,Silverado 2500,9-5,Rainier,Silverado 3500 Classic
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
124.99
Ships within 24 hours
Bosch 15894 Oxygen Sensor
Part #15894
Sky,Trailblazer EXT,Rainier,Envoy XUV,Bravada,Safari,Malibu,9-7x,G6,Solstice,Trailblazer,Envoy XL,SSR,Savana 2500,Savana 3500,Astro,Colorado,Canyon,Envoy,Express 2500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
40.99
Ships within 24 hours
Spectra Premium OS5576 Oxygen Sensor
Part #OS5576
9-5,9-4X,Cruze Limited,CTS,Vue,Sonic,Rendezvous,Boxster,G8,Trax,Encore,Cruze,SRX,9-3
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
33.99
Ships within 24 hours
Oxygen Sensor - Denso 234-4821
Part #234-4821
9-5,G8,9-4X,Trax,CTS,Encore,Vue,SRX,Rendezvous,9-3
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
81.99
Ships within 24 hours
Denso 234-4650 Oxygen Sensor
Part #234-4650
Trailblazer EXT,Sierra 1500,Eldorado,Venture,Safari,Silhouette,Seville,Aurora,Passport,Suburban 1500,Yukon,Monte Carlo,Astro,Yukon XL 1500,Avalanche 1500,Ascender,Axiom,Tahoe,Jimmy,Silverado 2500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
50.99
Ships within 24 hours
Bosch 15895 Oxygen Sensor
Part #15895
Uplander,Torrent,Sierra 1500,CTS,Venture,Safari,Sierra 3500 HD,Silverado 3500 HD,Seville,Aurora,Suburban 1500,Yukon XL 1500,Sierra 1500 Classic,Aura,LeSabre,Savana 1500,Grand Prix,Silverado 1500 HD Classic,Montana,Sierra 2500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
51.99
Ships within 24 hours
Vemo V46-76-0015 Oxygen Sensor
Part #V46-76-0015
Venture,Firebird,Cutlass,Silhouette,Camaro,Yukon,Savana 3500,Monte Carlo,Express 2500,LeSabre,Savana 1500,Tahoe,Jimmy,Grand Prix,Montana,Sonoma,K1500 Suburban,Park Avenue,Bravada,Bonneville
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
65.99
Ships within 24 hours
Walker Products 250-24012 Oxygen Sensor
Part #250-24012
88,Trans Sport,C2500,Amigo,Hombre,Sierra 1500,Commercial Chassis,Safari,Leganza,Camaro,Suburban 1500,S10 Blazer,Yukon XL 1500,Avalanche 1500,LeSabre,Savana 1500,SLX,98,Cutlass Supreme,C1500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
48.99
Ships within 24 hours
Spectra Premium OS5044 Oxygen Sensor
Part #OS5044
88,Trans Sport,C2500,Amigo,Hombre,Commercial Chassis,Safari,Leganza,Camaro,S10 Blazer,LeSabre,Savana 1500,SLX,98,Cutlass Supreme,C1500,Grand Prix,Lumina APV,Roadmaster,Fleetwood
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
29.99
Ships within 24 hours
Spectra Premium OS5047 Oxygen Sensor
Part #OS5047
Sierra 1500,Eldorado,Venture,Safari,Silhouette,Seville,Aurora,Passport,Suburban 1500,Yukon,Monte Carlo,Astro,Yukon XL 1500,Avalanche 1500,Axiom,Tahoe,Jimmy,Silverado 2500,DeVille,Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
30.99
Ships within 24 hours
Bosch 15726 Oxygen Sensor
Part #15726
Trans Sport,C2500,Storm,Tracker,Amigo,D21,Scoupe,Sentra,Xterra,Legacy,Altima,Safari,Probe,Maxima,MPV,Q45,300ZX,G1500,S10 Blazer,Villager
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
49.99
Ships within 24 hours
Denso 234-4651 Oxygen Sensor
Part #234-4651
Sierra 1500,CTS,Sierra 3500 HD,Silverado 3500 HD,Seville,Suburban 1500,Yukon XL 1500,Sierra 1500 Classic,Aura,Savana 1500,Silverado 1500 HD Classic,Sierra 2500,Envoy XUV,Malibu,9-7x,Escalade EXT,Savana 2500,Silverado 2500 HD,Yukon XL 2500,Express 3500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
52.99
Ships within 24 hours
Denso 234-4668 Oxygen Sensor
Part #234-4668
Uplander,Torrent,Sierra 1500,CTS,GTO,Outlook,Sierra 3500 HD,Silverado 3500 HD,Cobalt,Seville,Suburban 1500,Yukon XL 1500,Avalanche 1500,Aura,Grand Prix,Montana,Envoy XUV,Malibu,Rendezvous,Impala
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
43.99
Ships within 24 hours
Denso 234-4212 Oxygen Sensor
Part #234-4212
Uplander,Sierra 1500,CTS,GTO,B4000,Commander,Elantra,Cobalt,Suburban 1500,F-250 Super Duty,STS,Yukon XL 1500,Windstar,Grand Prix,Silverado 1500 HD Classic,Montana,E-250,Tracer,Navajo,Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
40.99
Ships within 24 hours
Denso 234-4647 Oxygen Sensor
Part #234-4647
Uplander,Torrent,Trailblazer EXT,Relay,Venture,Allure,Safari,Corvette,G6,Aurora,Monte Carlo,Astro,Ascender,Aura,LeSabre,Lucerne,Grand Prix,Montana,Rainier,Envoy XUV
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
45.99
Ships within 24 hours
Denso 234-4646 Oxygen Sensor, Upstream
Part #234-4646
Cavalier,L300,L200,L100,Allure,Safari,Cobalt,LW200,Monte Carlo,Astro,LeSabre,Lucerne,Grand Prix,Park Avenue,Vue,Sunfire,Bonneville,Ion,Malibu,Classic
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
46.99
Ships within 24 hours
Walker Products 250-24269 Oxygen Sensor
Part #250-24269
Trailblazer EXT,Sierra 1500,Eldorado,Venture,Safari,Silhouette,Sierra,Seville,Aurora,Passport,Suburban 1500,Yukon,Monte Carlo,Astro,Yukon XL 1500,Avalanche 1500,Ascender,Axiom,Tahoe,Silverado 2500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
51.99
Ships within 24 hours
Denso 234-4209 Oxygen Sensor
Part #234-4209
Pilot,Uplander,Storm,Sierra 1500,CTS,Cavalier,L100,Sienna,Celica,Summit,Cobalt,Venza,LW200,Aurora,Vitara,Supra,Yukon XL 1500,LS400,IS300,LS600h
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
54.99
Ships within 24 hours
Spectra Premium OS5046 Oxygen Sensor
Part #OS5046
88,Trans Sport,Hombre,Venture,Firebird,Cutlass,Silhouette,Aurora,Camaro,Riviera,Monte Carlo,LeSabre,98,Cutlass Supreme,Regency,Grand Prix,Lumina APV,Montana,Sonoma,Park Avenue
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
33.99
Ships within 24 hours
Walker Products 250-24492 Oxygen Sensor
Part #250-24492
Sierra 3500 Classic,Sierra 3500,Sierra 3500 HD,Corvette,Silverado 3500 HD,Sierra 2500 HD Classic,Silverado 2500 HD Classic,G6,HHR,STS,Savana 3500,Sierra 2500 HD,Express 2500,SRX,Aura,Express 4500,Silverado 3500 Classic,Malibu,Impala,Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
64.99
Ships within 24 hours
Walker Products 350-34633 Oxygen Sensor
Part #350-34633
Sierra 3500 Classic,Sierra 3500,Sierra 3500 HD,Corvette,Silverado 3500 HD,Sierra 2500 HD Classic,Silverado 2500 HD Classic,G6,HHR,STS,Savana 3500,Sierra 2500 HD,Express 2500,SRX,Aura,Express 4500,Silverado 3500 Classic,Malibu,Impala,Regal
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
49.99
Ships within 24 hours
Bosch 15284 Oxygen Sensor
Part #15284
Trailblazer EXT,Rainier,Sierra 1500,CTS,Envoy XUV,Suburban 1500,Yukon,Envoy XL,SSR,Escalade,Yukon XL 1500,Envoy,Avalanche 1500,Tahoe,Ascender,Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Your vehicle: 2003 Buick
$
39.99
Ships within 24 hours
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