Confirm this item fits

Add your vehicle details to make sure this item fits.

Denso Upstream Oxygen Sensor for 1987-1991 Mercury Grand Marquis 5.0L 5.8L gy

The #1 Seller of Genuine Denso Parts on eBay
US $44.69/ea
List price US $89.49 What does this price mean?
Recent sales price provided by the seller
Save US $44.80 (50% off)
Condition:
New
4 available
Bulk savings quantity 1
Bulk savings:
Buy 4 or more for 43.35 each one

Additional service available

Breathe easy. Returns accepted.
Shipping:
Free 2-4 day delivery
Get it between Fri, May 23 and Tue, May 27 to 43230.
Located in: Indianapolis, Indiana, United States
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
       .
Earn up to 5x points when you use your eBay Mastercard®. Learn moreabout earning points with eBay Mastercard

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:127045446170
Last updated on May 17, 2025 12:01:45 PDTView all revisionsView all revisions

Compatibility

This part is compatible with 18 vehicle(s)
YearMakeModelTrimEngineNotes
1991MercuryGrand MarquisGS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1991MercuryGrand MarquisLS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1990MercuryGrand MarquisGS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1990MercuryGrand MarquisLS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1989MercuryGrand MarquisBase Sedan 2-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1989MercuryGrand MarquisBase Sedan 4-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1989MercuryGrand MarquisGS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1989MercuryGrand MarquisLS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1988MercuryGrand MarquisBase Sedan 2-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1988MercuryGrand MarquisBase Sedan 4-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1988MercuryGrand MarquisGS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1988MercuryGrand MarquisLS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisBase Sedan 2-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisBase Sedan 4-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisGS Sedan 2-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisGS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisLS Sedan 2-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
1987MercuryGrand MarquisLS Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedUpstream;O.E. Quality Replacement Sensor
Portions of the information contained in this table have been provided by sixityauto

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
DENSO Auto Parts
Placement on Vehicle
Emission Control > Sensors
Manufacturer Part Number
SX-4786 1991 1990 1989 1988 1987 O2
Manufacturer Warranty
1 Year
Item Weight
0.2500
Item Height
1.880
Item Width
2.190
Item Length
5.750
Interchange Part Number
NGK C656 Bosch 45-30
Compatible Make
Mercury
Compatible Model
Grand Marquis
Compatible Year
1991 1990 1989 1988 1987
Core Charge
Free - No Core Charge
Position
Upstream
Type
Oxygen Sensor
Fitment Type
Direct Replacement
Bundle Description
1 pc Genuine DENSO Oxygen Sensor
UPC
Does not apply

Item description from the seller

About this seller

Sixity Auto Parts

98.8% positive feedback2.2M items sold

Joined May 2013
Sixity Auto Parts® helps drivers find premium OEM-replacement auto parts from the best brands in the world at unbeatable prices so they can repair their vehicles without breaking the bank. Find out ...
See more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (605,192)

All ratings
Positive
Neutral
Negative
  • i***9 (2790)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Amazing eBay seller. Item was described perfectly. Well worth the money for this item. Item was delivered very quickly and the sellers communication was awesome. The item was also packed very well I give many props to the awesome seller for the way the item was packaged. I would definitely do business again with this seller. I also want to personally thank the seller for their amazing care in getting the package to me in great shape! A+++
  • g***d (353)- Feedback left by buyer.
    Past month
    Verified purchase
    Good quality, excellent, condition, value and appearance. It is exactly as described. Quick response and shipment, the Item arrived well packaged. Excellent service and a very smooth transaction. I recommend and will certainly buy from this seller again.
  • d***m (214)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    I recommend the seller since I return the item free and got refunded quick. Item received in original box and brand new, but unfortunately did not work with my car. Item was in good price and as described in the listing. I purchased other item from seller that I am very happy Thank you
|Listed in category: