Home » NTK Oxygen Sensor - 25031

NTK Oxygen Sensor - 25031

SKU: NGK-25031

If provided, we'll verify fitment before your order ships and contact you if the selected part is incompatible. Enter your VIN, then add the product to your cart.

Product details
  • Part Name Oxygen Sensor
  • Position Upstream
  • Brand NTK
  • Part Number 25031
  • UPC 00087295250310
Estimate Delivery Date
Have Questions?
Ask our experts via Live Chat at the bottom right corner of this page.
100% Fitment Guarantee Warranty Why NTK? Characteristics Interchange/OEM Parts
Fitment is guaranteed:

If your vehicle is listed on the fitment table below, the product will fit your car - we guarantee it. All you need to do is to ensure that the vehicle's Year, Make, Model, Trim, and any other notes specified inside the fitment table are respected.

Customer Video Reviews

Watch genuine customer videos showing their upgrades and honest results of similar products

Fitment Table

This product is compatible with these vehicles:

Year Make Model Notes Position
1987 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
  • B1S1
 Upstream
1987 Saab 900
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.54" bore
  • 3.07" stroke
  • 8 valves
  • B1S1
 Upstream
1986 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
  • B1S1
 Upstream
1986 Saab 900
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.54" bore
  • 3.07" stroke
  • 8 valves
  • B1S1
 Upstream
1985 Alfa Romeo Spider
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.31" bore
  • 3.48" stroke
 Upstream
1985 BMW 318i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
  • To 12/84
 Upstream
1985 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
 Upstream
1984 Alfa Romeo Spider
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.31" bore
  • 3.48" stroke
 Upstream
1984 BMW 318i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
 Upstream
1984 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
 Upstream
1984 BMW 533i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1984 BMW 633CSi
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1984 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1983 Alfa Romeo Spider
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.31" bore
  • 3.48" stroke
 Upstream
1983 BMW 320i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
 Upstream
1983 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
 Upstream
1983 BMW 533i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1983 BMW 633CSi
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1983 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1982 Alfa Romeo GTV-6
  • 2.5L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.69" stroke
 Upstream
1982 Alfa Romeo Spider
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.31" bore
  • 3.48" stroke
 Upstream
1982 BMW 320i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
 Upstream
1982 BMW 528e
  • 2.7L
  • Inline engine
  • 6 cylinders
  • 3.31" bore
  • 3.19" stroke
 Upstream
1982 BMW 633CSi
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1982 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1981 Alfa Romeo GTV-6
  • 2.5L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.69" stroke
 Upstream
1981 BMW 320i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
 Upstream
1981 BMW 528i
  • 2.8L
  • Inline engine
  • 6 cylinders
  • 3.39" bore
  • 3.15" stroke
 Upstream
1981 BMW 633CSi
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1981 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1980 BMW 320i
  • 1.8L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 2.80" stroke
 Upstream
1980 BMW 528i
  • 2.8L
  • Inline engine
  • 6 cylinders
  • 3.39" bore
  • 3.15" stroke
 Upstream
1980 BMW 633CSi
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1980 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1979 BMW 320i
  • 2.0L
  • Inline engine
  • 4 cylinders
  • 3.50" bore
  • 3.15" stroke
 Upstream
1979 BMW 528i
  • 2.8L
  • Inline engine
  • 6 cylinders
  • 3.39" bore
  • 3.15" stroke
 Upstream
1979 BMW 733i
  • 3.2L
  • Inline engine
  • 6 cylinders
  • 3.50" bore
  • 3.39" stroke
 Upstream
1979 Volvo 262
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1979 Volvo 264
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1979 Volvo 265
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1978 Volvo 262
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1978 Volvo 264
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1978 Volvo 265
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1977 Volvo 264
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream
1977 Volvo 265
  • 2.7L
  • V engine
  • 6 cylinders
  • 3.47" bore
  • 2.77" stroke
 Upstream

See what other customers say:

Customer Reviews

Overall rating: 4.9 / 5 from 601 reviews.

Thanks for catching an error in my order and righting it for me, complete with email to say so! This … is what customer service head and shoulders above, looks like !! Well done all !!

A L. 5/5 Verified

Bilstein 24-185677 B6 4600 - Suspension Shock Absorber