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1999 Pontiac Bonneville
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1999 Pontiac Bonneville

1999 Pontiac Bonneville Radiator Caps

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Radiator Cap - Round, 16 lbs., Polished, Steel, Sold individually
Stant®
Radiator Cap - Round, 16 lbs., Polished, Steel, Sold individually
Part Number: ST10230
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 1999 Pontiac Bonneville 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
Mr Gasket®
Thermocap Series Radiator Cap - Hexagon, 16 lbs., Silver/Chrome, Steel, Sold individually
Part Number: G122471S
Guaranteed to Fit
$43.15
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L
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
Mr Gasket®
Radiator Cap - Unique, 16 psi, Black, Sold individually
Part Number: G122476BK
Guaranteed to Fit
$43.28
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L Racing Use Only Vehicle
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L Racing Use Only Vehicle
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L 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.

Radiator Cap - 16 psi, Stainless steel and rubber, Sold individually
Motorad®
Radiator Cap - 16 psi, Stainless steel and rubber, Sold individually
Part Number: MRDT16V
Guaranteed to Fit
$5.99
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L Relief pressure 16 lb.
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L Relief pressure 16 lb.
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L 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
Motorad®
Radiator Cap - 16 psi, Steel, Plastic, Rubber, Sold individually
Part Number: MRDST16V
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L Relief pressure 16 lb.
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L Relief pressure 16 lb.
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L 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
Gates®
Radiator Cap
Part Number: GAT31516
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L GAS
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L GAS
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L GAS
Product Details
Promotions : Cooling Essentials
Radiator Cap
Gates®
Radiator Cap
Part Number: GAT31523
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L GAS
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L GAS
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L GAS
Product Details
Promotions : Cooling Essentials
Professional Series Radiator Cap - Round, 15 lbs., Black, Plastic, Sold individually
AC Delco®
Professional Series Radiator Cap - Round, 15 lbs., Black, Plastic, Sold individually
Part Number: ACRC27
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 1999 Pontiac Bonneville SSEi 6 Cyl 3.8L
  • 1999 Pontiac Bonneville SSE 6 Cyl 3.8L
  • 1999 Pontiac Bonneville SE 6 Cyl 3.8L
Product Details
Notes : With turning ears; Without Dex-cool labelRecommended Use : OE ReplacementMaximum Pressure : 15 lbs.Material : PlasticShape : RoundColor Finish : BlackProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco 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 EssentialsReplaces OE Number : 10409635, 25060216, RC36BSeries : Professional Series
Page 1 of 1 | Showing 1 - 8 of 8 results

Top Rated Products

AC Delco Professional Series Radiator Cap - Round, 15 lbs., Black, Plastic, Sold individually
$11.49( Review)
I liked how easy it was to find what I was looking for and how reasonable it was pricSee More
Kim M C.
VERIFIED PURCHASER
Gates Radiator Cap
$6.99( Review)
Well I bought this and go to find out.that wasn't my problem at all.but anyway I willSee More
Leo L.
VERIFIED PURCHASER
Gates Radiator Cap
$18.99( Review)
Fit tighter than O J Simpsons glove! Perfect fit really!
Michael W.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Gates Radiator Cap
$6.99
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 >