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Mazda RX7 Replacement Oxygen Sensor Information

Read Reviews for Mazda RX7 Oxygen Sensor -
5 stars - (5 Reviews)
Mazda RX7 Oxygen Sensor Reviews
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While most modern passenger vehicles are fitted with at least three and sometimes four oxygen sensors, the Mazda RX7 only had one O2 sensor installed on pre-1996 models and two sensors for all models from 1996 on. Oxygen sensors come in two types, upstream and downstream, also sometimes referred to as front and back. While most cars feature two upstream sensors, one for each bank of cylinders, the rotary engine RX7 only required one. This sensor sends data to the engine computer regarding the oxygen content of exhaust gases coming from the exhaust manifold. The computer uses this information to regulate the air/fuel mixture being sent to the engine cylinders for combustion. When this sensor is malfunctioning the computer is unable to accurately maintain the optimal air/fuel ratio, causing a decline in engine performance and fuel economy. PartsGeek.com carries a full line of replacement O2 sensors for 1983-1995 Mazda RX7s.


They are available for the following Mazda RX7 years: 1995, 1994, 1993, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 95, 94, 93, 91, 90, 89, 88, 87, 86, 85, 84. This part is also sometimes called Mazda RX7 O2 Sensor. We stock oxygen sensor parts for most Mazda models including Miata, MPV, Protege, Protege5, 626, Millenia, 3, 6, RX8, Tribute, B2600, B4000, MX5 Miata, MX6, 5, CX7, MX3, B2500, B3000, B2300, B2200, 323, B2000, 929, CX9, 2, Navajo and GLC.

We stock these Oxygen Sensor brands for the Mazda RX7: Bosch, Denso, NGK and Walker.


› Change Vehicle
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(Read reviews)
Sale Price: $14.38
(>35) In Stock
Product SKU: 11027
Product Note: Universal Oxygen Sensor -- OE sensor technology
Features:
  • Saves money in fuel costs
  • Improves engine performance
  • Reduces air pollution
  • Prevents premature failure of the catalytic converter
  • Snug fitting OEM-style silicone boots ensure proper fit, function and appearance while providing extreme durability for long life
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1990 (90) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $33.63
(5) In Stock
Product SKU: 234-1020
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1993 (93) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $24.38
(27) In Stock
Product SKU: 12054
Product Note: OE Style Oxygen Sensor -- Exact fit; OE manufactured part
Features:
  • Saves money in fuel costs
  • Improves engine performance
  • Reduces harmful exhaust emissions
  • Prevents premature failure of the catalytic converter
  • Snug fitting OEM-style silicone boots ensure proper fit, function and appearance while providing extreme durability for long life
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1988 (88) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $24.38
(27) In Stock
Product SKU: 12054
Product Note: OE Style Oxygen Sensor -- Exact fit; OE manufactured part
Features:
  • Saves money in fuel costs
  • Improves engine performance
  • Reduces harmful exhaust emissions
  • Prevents premature failure of the catalytic converter
  • Snug fitting OEM-style silicone boots ensure proper fit, function and appearance while providing extreme durability for long life
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1987 (87) Mazda RX7 1.3L Rotary 

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Denso 234-1000
Oxygen Sensor
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Sale Price: $13.38
(24) In Stock
Product SKU: 234-1000
Product Note: 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 of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1989 (89) Mazda RX7 1.3L Rotary 

Click to Enlarge
Denso 234-1000
Oxygen Sensor
Close
Loading Reviews...
Sale Price: $13.38
(24) In Stock
Product SKU: 234-1000
Product Note: 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 of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1991 (91) Mazda RX7 1.3L Rotary 

Click to Enlarge
Denso 234-1000
Oxygen Sensor
Close
Loading Reviews...
Sale Price: $13.38
(24) In Stock
Product SKU: 234-1000
Product Note: 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 of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1988 (88) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $33.63
(5) In Stock
Product SKU: 234-1020
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1994 (94) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(3) In Stock
Product SKU: 234-1019
Product Note: OE Style -- O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1987 (87) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(7) In Stock
Product SKU: 24036
Product Note: OE Type Oxygen Sensor -- Upstream; NTK is Original Equipment
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1989 (89) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(3) In Stock
Product SKU: 234-1019
Product Note: OE Style -- O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1988 (88) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(23) In Stock
Product SKU: 24019
Product Note: OE Type Oxygen Sensor -- Upstream; NTK is Original Equipment
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1993 (93) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(23) In Stock
Product SKU: 24019
Product Note: OE Type Oxygen Sensor -- Upstream; NTK is Original Equipment
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1994 (94) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $25.38
(3) In Stock
Product SKU: 234-1019
Product Note: OE Style -- O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1986 (86) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $24.38
(27) In Stock
Product SKU: 12054
Product Note: OE Style Oxygen Sensor -- Exact fit; OE manufactured part
Features:
  • Saves money in fuel costs
  • Improves engine performance
  • Reduces harmful exhaust emissions
  • Prevents premature failure of the catalytic converter
  • Snug fitting OEM-style silicone boots ensure proper fit, function and appearance while providing extreme durability for long life
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: C
Vehicle Engine
• 1986 (86) Mazda RX7 1.3L Rotary 

Click to Enlarge
(Read reviews)
Sale Price: $39.23
(>35) In Stock
Product SKU: 250-21026
Product Note: Walker
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Warehouse: B
Vehicle Engine
• 1991 (91) Mazda RX7 1.3L Rotary FI Naturally Aspirated GAS 

Click to Enlarge
(Read reviews)
Retail Price:
$187.90
Sale Price: $51.33
(3) In Stock
Product SKU: W0133-1612758
Product Note: OE Connector
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Warehouse: A
Vehicle
• 1995 (95) Mazda RX7


Related Top Sellers


Some of our Customer Reviews
Very Satisfied
Reviewer: Anil Singh

Great fitment, just like OE. Direct plug fitment, no cutting wires.

1991 Mazda RX7 Oxygen Sensor

Very Satisfied
Reviewer: fiskblk1127

Nice fit easy installation and definitely cheap but effective and im still buying from here thanks parts geek.

1989 Mazda RX7 Oxygen Sensor

Very Satisfied
Reviewer: rodney krepline

hello bought product did not think it would work but it did work the shipping was very fast price was right I would recommend product to mazda guys very very satisfied I thank you for great service keep up the good work put me down as very satisfied thank you rodney krepline ps car runs 100% better

1986 Mazda RX7 Oxygen Sensor


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