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1991 Mercury Grand Marquis

1991 Mercury Grand Marquis Radiator Caps

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Radiator Cap - Round, 16 lbs., Polished, Steel, Sold individually
Part Number: ST10230
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 1991 Mercury Grand Marquis All Submodels All Engines Pressure Rating 16 psi
Product Details
Recommended Use : OE ReplacementMaximum Pressure : 16 lbs.Material : SteelShape : RoundColor Finish : PolishedProduct Fit : Direct FitFiller Neck Depth : 0.75 in.Warranty : 90-day Stant limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : REPV162001, 11243
Thermocap Series Radiator Cap - Hexagon, 16 lbs., Silver/Chrome, Steel, Sold individually
Part Number: G122471S
Guaranteed to Fit
$47.95
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L
Product Details
Notes : Built-In Calibrated Thermometer, Indicates the Coolant TemperatureRecommended Use : PerformanceMaximum Pressure : 16 lbs.Material : SteelShape : HexagonColor Finish : Silver/ChromeProduct Fit : Direct FitWarranty : 90-day Mr Gasket limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Thermocap Series
Radiator Cap - Unique, 16 psi, Black, Sold individually
Part Number: G122476BK
Guaranteed to Fit
$48.09
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L Racing Use Only Vehicle
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L Racing Use Only Vehicle
Product Details
Recommended Use : OE ReplacementMaximum Pressure : 16 psiShape : UniqueColor Finish : BlackProduct Fit : Direct FitWarranty : 90-day Mr Gasket limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Motorcraft OE Replacement Radiator Cap - Black, Plastic, Sold individually
Part Number: MIRS90
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L
Product Details
Recommended Use : OE ReplacementMaterial : PlasticColor Finish : BlackProduct Fit : Direct FitWarranty : 2-year or unlimited-mile Motorcraft limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsSeries : Motorcraft OE Replacement
Radiator Cap - 16 psi, Stainless steel and rubber, Sold individually
Part Number: MRDT16V
Guaranteed to Fit
$5.99
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L Relief pressure 16 lb.
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L Relief pressure 16 lb.
Product Details
Recommended Use : OE ReplacementMaximum Pressure : 16 psiMaterial : Stainless steel and rubberProduct Fit : Direct FitWarranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Radiator Cap - 16 psi, Steel, Plastic, Rubber, Sold individually
Part Number: MRDST16V
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L Relief pressure 16 lb.
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L Relief pressure 16 lb.
Product Details
Recommended Use : OE ReplacementMaximum Pressure : 16 psiMaterial : Plastic, Rubber, and SteelProduct Fit : Direct FitWarranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Radiator Cap
Part Number: GAT31516
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L GAS
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L GAS
Product Details
Promotions : Cooling Essentials
Radiator Cap
Part Number: GAT31523
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 1991 Mercury Grand Marquis GS 8 Cyl 5.0L GAS
  • 1991 Mercury Grand Marquis LS 8 Cyl 5.0L GAS
Product Details
Promotions : Cooling Essentials
Page 1 of 1 | Showing 1 - 8 of 8 results

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Gates Radiator Cap
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Well I bought this and go to find out.that wasn't my problem at all.but anyway I willSee More
Leo L.
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Gates Radiator Cap
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Fit tighter than O J Simpsons glove! Perfect fit really!
Michael W.
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Popular Products

Product Questions & Answers

Q:is this a 7lb or 15 lb cap?
Tommy
A:BEST ANSWERHi Thomas, thank you for reaching out! Upon checking, this is a 16 PSI cap. You can click the link below to order the part while stocks last. Have a good one! https://www.carparts.com/radiator-cap/gates/gat31516?can=cpab2020_csqa_20231222 Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >