Make/Model
Close X
Search by Make / Model

2003 Infiniti M45 Oxygen Sensor

Review Fitment Notes to Ensure Proper Fit
› Change Part / Category
› Change Vehicle
NGK Oxygen Sensor - Upstream Left
Click to Enlarge
(Read reviews)
Our List Price: $75.98
(4) In Stock
Part Number: 6720-09082638
Notes: Direct Fit Oxygen Sensor -- B1S1; OE MFR: NTK
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

NGK Oxygen Sensor - Downstream Left
Click to Enlarge
(1 Reviews)
5 Stars
NGK 24404
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $46.98
(>35) In Stock
Part Number: 6720-09082639
Notes: Direct Fit Oxygen Sensor -- B1S2; OE MFR: NTK
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

NGK Oxygen Sensor - Upstream Right
Click to Enlarge
(Read reviews)
Our List Price: $46.98
(26) In Stock
Part Number: 6720-09082603
Notes: Direct Fit Oxygen Sensor -- B2S1; OE MFR: NTK
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

NGK Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $80.33
(13) In Stock
Part Number: 6720-05433549
Notes: Direct Fit Oxygen Sensor -- B2S2; OE MFR: NTK
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Downstream Left
Click to Enlarge
(9 Reviews)
4.8 Stars
Bosch 15525
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $45.98
(14) In Stock
Part Number: 6720-09149738
Notes: Engineered Oxygen Sensor
Features:
  • Designed to determine the oxygen content of the exhaust gas
  • Improves fuel economy and lowers emission
  • Includes three OE heated wires
  • Advanced ceramic technology for consistent performance and long life
  • Features a Platinum Power-Grid that produces a precise voltage signal for the engine ECU
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $91.98
(4) In Stock
Part Number: 6720-09149737
Notes: Engineered Oxygen Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Upstream Left
Click to Enlarge
(Read reviews)
Our List Price: $51.33
(10) In Stock
Part Number: 6720-05110447
Notes: Engineered Oxygen Sensor
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Upstream Right
Click to Enlarge
(9 Reviews)
4.8 Stars
Bosch 15525
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $45.98
(14) In Stock
Part Number: 6720-09149738
Notes: Engineered Oxygen Sensor
Features:
  • Designed to determine the oxygen content of the exhaust gas
  • Improves fuel economy and lowers emission
  • Includes three OE heated wires
  • Advanced ceramic technology for consistent performance and long life
  • Features a Platinum Power-Grid that produces a precise voltage signal for the engine ECU
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Left Lower
Click to Enlarge
(1 Reviews)
5 Stars
Bosch W0133-1606465
Oxygen Sensor
Close
Loading Reviews...
Product List Price:
$231.30
Our List Price: $56.48
(>25) In Stock
Part Number: W0133-1606465
Notes: OE Connector
Position: Left Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Bosch Oxygen Sensor - Left Upper
Click to Enlarge
(Read reviews)
Product List Price:
$223.95
Our List Price: $49.48
(3) In Stock
Part Number: W0133-1724980
Notes: OE Connector
Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
  • Fine particle filter. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Position: Left Upper
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Bosch Oxygen Sensor - Right Lower
Click to Enlarge
(Read reviews)
Product List Price:
$231.30
Our List Price: $86.48
(1) In Stock
Part Number: W0133-1606751
Notes: OE Connector
Position: Right Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Bosch Oxygen Sensor - Downstream Left
Click to Enlarge
(24 Reviews)
4.8 Stars
Bosch 15730
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $38.98
(22) In Stock
Part Number: 6720-09020235
Notes: Universal Oxygen Sensor
Features:
  • Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration
  • Special heat-resistant Posi-Lock connectors ensure easy installation
  • User-friendly instructions eliminate the need to call a hotline for assistance
  • Coated threads for easy installation
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $37.98
(2) In Stock
Part Number: 6720-09150056
Notes: Universal Oxygen Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Upstream Left
Click to Enlarge
(24 Reviews)
4.8 Stars
Bosch 15730
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $38.98
(22) In Stock
Part Number: 6720-09020235
Notes: Universal Oxygen Sensor
Features:
  • Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration
  • Special heat-resistant Posi-Lock connectors ensure easy installation
  • User-friendly instructions eliminate the need to call a hotline for assistance
  • Coated threads for easy installation
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Upstream Right
Click to Enlarge
(24 Reviews)
4.8 Stars
Bosch 15730
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $38.98
(22) In Stock
Part Number: 6720-09020235
Notes: Universal Oxygen Sensor
Features:
  • Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration
  • Special heat-resistant Posi-Lock connectors ensure easy installation
  • User-friendly instructions eliminate the need to call a hotline for assistance
  • Coated threads for easy installation
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Bosch Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $89.98
(5) In Stock
Part Number: 6720-09020178
Notes: Validated Oxygen Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: H
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Left Lower
Click to Enlarge
(Read reviews)
Product List Price:
$231.30
Our List Price: $90.48
(23) In Stock
Part Number: W0133-1974426
Notes: OE Connector
Position: Left Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Denso Oxygen Sensor - Left Upper
Click to Enlarge
(Read reviews)
Product List Price:
$223.95
Our List Price: $99.48
(1) In Stock
Part Number: W0133-2089926
Notes: OE Connector
Position: Left Upper
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Denso Oxygen Sensor - Downstream Left
Click to Enlarge
(1 Reviews)
5 Stars
Denso 234-4301
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $43.33
(>35) In Stock
Part Number: 6720-05169356
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Downstream Right
Click to Enlarge
(1 Reviews)
5 Stars
Denso 234-4312
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $74.33
(>35) In Stock
Part Number: 6720-05169362
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $138.33
with FREE Shipping
(12) In Stock
Part Number: 6720-05211534
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 

Denso Oxygen Sensor - Upstream Left
Click to Enlarge
(4 Reviews)
5 Stars
Denso 234-4308
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $61.33
(>35) In Stock
Part Number: 6720-05169358
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Upstream Right
Click to Enlarge
(4 Reviews)
5 Stars
Denso 234-4296
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $46.33
(>35) In Stock
Part Number: 6720-05169354
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Downstream Left
Click to Enlarge
(8 Reviews)
4.6 Stars
Denso 234-4210
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $38.33
(>35) In Stock
Part Number: 6720-05051630
Notes: Universal -- O.E. Quality Universal Replacement Sensor
Features:
  • Manufactured to the highest O.E. quality, guaranteed to fit right
  • Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
  • Stainless steel housing and porous Teflon filter all contribute to make a long life
  • Improved engine performance and greater fuel efficiency
  • Prevents premature sensor failure
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Denso Oxygen Sensor - Downstream Right
Click to Enlarge
(8 Reviews)
4.6 Stars
Denso 234-4210
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $38.33
(>35) In Stock
Part Number: 6720-05051630
Notes: Universal -- O.E. Quality Universal Replacement Sensor
Features:
  • Manufactured to the highest O.E. quality, guaranteed to fit right
  • Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
  • Stainless steel housing and porous Teflon filter all contribute to make a long life
  • Improved engine performance and greater fuel efficiency
  • Prevents premature sensor failure
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

NTK Oxygen Sensor - Left Upper
Click to Enlarge
(Read reviews)
Product List Price:
$223.95
Our List Price: $147.48
(7) In Stock
Part Number: W0133-1893290
Notes: OE Connector
Position: Left Upper
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

NTK Oxygen Sensor - Right Lower
Click to Enlarge
(Read reviews)
Product List Price:
$231.30
Our List Price: $147.48
(7) In Stock
Part Number: W0133-1893240
Notes: OE Connector
Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
  • Precision manufactured with a sensing element incorporating NTKs premier technical ceramics
Position: Right Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

NTK Oxygen Sensor - Right Upper
Click to Enlarge
(1 Reviews)
5 Stars
NTK W0133-1893691
Oxygen Sensor
Close
Loading Reviews...
Product List Price:
$223.95
Our List Price: $79.48
(21) In Stock
Part Number: W0133-1893691
Notes: OE Connector - At Exhaust Manifold Outlet
Position: Right Upper
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Walker Products Oxygen Sensor - Left Lower
Click to Enlarge
(Read reviews)
Product List Price:
$231.30
Our List Price: $65.48
(12) In Stock
Part Number: W0133-1919113
Notes: OE Connector
Features:
  • Improved Engine Response & Performance
  • Lower Emissions
  • Improved Fuel Economy
  • Longer Sensor Life
  • Meets OEM Specifications
Position: Left Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Walker Products Oxygen Sensor - Right Lower
Click to Enlarge
(Read reviews)
Product List Price:
$231.30
Our List Price: $72.48
(21) In Stock
Part Number: W0133-1893852
Notes: OE Connector
Position: Right Lower
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

Walker Products Oxygen Sensor - Right Upper
Click to Enlarge
(Read reviews)
Product List Price:
$223.95
Our List Price: $72.48
(3) In Stock
Part Number: W0133-1894079
Notes: OE Connector - At Exhaust Manifold Outlet
Features:
  • Improved Engine Response & Performance
  • Lower Emissions
  • Improved Fuel Economy
  • Longer Sensor Life
  • Meets OEM Specifications
Position: Right Upper
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Catalog: A
Vehicle
2003 Infiniti M45

AC Delco Oxygen Sensor - Downstream Left
Click to Enlarge
(Read reviews)
Our List Price: $91.33
(1) In Stock
Part Number: 6720-05404917
Notes: Professional -- New; Downstream; LEFT
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 

Delphi Oxygen Sensor - Rear Left
Click to Enlarge
(Read reviews)
Our List Price: $76.33
(17) In Stock
Part Number: 6720-05168096
Notes: Oxygen Sensor -- Wrench Size: 7/8 in; Delphi is an OEM supplier
Position: Rear Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle
2003 Infiniti M45

Delphi Oxygen Sensor - Rear Right
Click to Enlarge
(Read reviews)
Our List Price: $57.33
(>35) In Stock
Part Number: 6720-05168039
Notes: Oxygen Sensor -- Wrench Size: 7/8 in; Delphi is an OEM supplier
Position: Rear Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Delphi Oxygen Sensor - Front Right
Click to Enlarge
(Read reviews)
Our List Price: $58.33
(26) In Stock
Part Number: 6720-05167817
Notes: Oxygen Sensor -- Wrench Size: 7/8 in; Delphi is an OEM supplier
Position: Front Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Spectra Premium Oxygen Sensor - Upstream Left
Click to Enlarge
(Read reviews)
Our List Price: $33.33
(14) In Stock
Part Number: 6720-05487987
Notes: Oxygen Sensor
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Spectra Premium Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $47.33
(33) In Stock
Part Number: 6720-05487945
Notes: Oxygen Sensor
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Spectra Premium Oxygen Sensor - Downstream Left
Click to Enlarge
(Read reviews)
Our List Price: $37.33
(>35) In Stock
Part Number: 6720-05487944
Notes: Oxygen Sensor
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Spectra Premium Oxygen Sensor - Upstream Right
Click to Enlarge
(Read reviews)
Our List Price: $35.33
(9) In Stock
Part Number: 6720-05487739
Notes: Oxygen Sensor
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 

Walker Oxygen Sensor - Downstream Left
Click to Enlarge
(1 Reviews)
5 Stars
Walker 250-24448
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $55.33
(>35) In Stock
Part Number: 6720-05239222
Notes: OE -- Downstream; Left
Position: Downstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Downstream Right
Click to Enlarge
(Read reviews)
Our List Price: $34.33
(>35) In Stock
Part Number: 6720-05239195
Notes: OE -- Downstream; Right
Position: Downstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Upstream Left
Click to Enlarge
(Read reviews)
Our List Price: $49.33
(>35) In Stock
Part Number: 6720-05239224
Notes: OE -- Upstream; Left
Position: Upstream Left
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Upstream Right
Click to Enlarge
(Read reviews)
Our List Price: $46.33
(>35) In Stock
Part Number: 6720-05239226
Notes: OE -- Upstream; Right
Position: Upstream Right
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Catalog: B
Vehicle Engine
2003 Infiniti M45 4.5L V8 VK45DE FI Naturally Aspirated GAS 



Authorize.Net Merchant - Click to Verify
BROWSE Home View Cart Catalog Articles
HELP Track Order Contact Us About Us Retrieve Quote Return Policy Cancellation Policy
RESOURCES Affliate Program Shop By Make Models Brands
SECURITY This site protected by Trustwave's Trusted Commerce program
REVIEWS
© Copyright 2017 Parts Geek ® Providing discount auto parts online since 2008.