{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2005 GMC Sierra 2500 HD

2005 GMC Sierra 2500 HD Fog Lights

Refine by:

Shop Catalog

Showing 1 - 15 of 18 results
Display item:
15
30
45
Sort by:
Front, Passenger Side Fog Light, with Bulb, Halogen
Part Number: G107503
Guaranteed to Fit
$27.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L
Product Details
Location : Front, Passenger SideAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableShape : RoundRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : 15776381Replaces Partslink Number : GM2593154Interchange Part Number : 15776381, GM2593154Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
Front, Driver Side Fog Light, with Bulb, Halogen
Part Number: G107504
Guaranteed to Fit
$27.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L
Product Details
Location : Front, Driver SideAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableShape : RoundRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : 15776382Replaces Partslink Number : GM2592154Interchange Part Number : 15776382, GM2592154Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
Front, Driver and Passenger Side Fog Lights, with Bulbs, Halogen
Part Number: SET-G107503
Guaranteed to Fit
$45.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L
Product Details
Location : Front, Driver and Passenger SideComponents : (2) Fog LightAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableShape : RoundRecommended Use : OE ReplacementQuantity Sold : Set of 2Replaces OE Number : 15776381, 15776382Replaces Partslink Number : GM2593154, GM2592154Interchange Part Number : 15776381, GM2593154, 15776382, GM2592154Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
4-Piece Kit Front Bumper with Bumper Cover and Fog Lights, Chrome
Part Number: KIT-041817-07
Guaranteed to Fit
$303.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
Product Details
Location : FrontComponents : (1) Bumper, (1) Bumper Cover, and (2) Fog LightColor Finish : ChromeAssembly : Without mounting bracket(s)Material : SteelProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitReplaces OE Number : 15098990, 12335963, 88979837, 15776382, 15776381Replaces Partslink Number : GM1002418, GM1000684, GM2592154, GM2593154Interchange Part Number : 15098990, GM1002418, 12335963, 88979837, GM1000684, 15776382, GM2592154, 15776381, GM2593154Warranty : 1-year Replacement unlimited-mileage warrantyProp 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.

Returns Policy : 30-Day Return Policy
3-Piece Kit Front Primed Bumper Cover with Fog Lights, without Mounting Brackets
Part Number: KIT-052417-08
Guaranteed to Fit
$105.49
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
Product Details
Location : FrontComponents : (1) Bumper Cover and (2) Fog LightColor Finish : PrimedAssembly : Without mounting bracket(s)Product Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitReplaces OE Number : 12335963, 88979837, 15776381, 15776382Replaces Partslink Number : GM1000684, GM2593154, GM2592154Interchange Part Number : 12335963, 88979837, GM1000684, 15776381, GM2593154, 15776382, GM2592154Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, Epichlorohydrin, Lead and lead compounds, Naphthalene, Toluene, 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.

Returns Policy : 30-Day Return Policy
6-Piece Kit Driver and Passenger Side Headlights with Fog Lights and Parking Lights, with Bulbs, Halogen
Part Number: KIT-082218-07
Guaranteed to Fit
$134.49
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Crew Cab Pickup
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L Extended Cab Pickup
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Crew Cab Pickup
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Standard Cab Pickup
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L Standard Cab Pickup
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Crew Cab Pickup
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L Extended Cab Pickup
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L Standard Cab Pickup
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Extended Cab Pickup
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L Extended Cab Pickup
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Extended Cab Pickup
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L Extended Cab Pickup
Product Details
Location : Driver And Passenger SideComponents : (2) Fog Light, (2) Headlight, and (2) Parking LightAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitReplaces OE Number : 15850352, 15850351, 15776382, 15776381, 15199560, 15199561Replaces Partslink Number : GM2503188, GM2502188, GM2592154, GM2593154, GM2520174, GM2521174Interchange Part Number : 15850352, GM2503188, 15850351, GM2502188, 15776382, GM2592154, 15776381, GM2593154, 15199560, GM2520174, 15199561, GM2521174Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, Ethylbenzene, Lead and lead compounds, Toluene, 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.

Returns Policy : 30-Day Return Policy
3-Piece Kit Front Primed Bumper Cover with Fog Lights, without Mounting Brackets, CAPA Certified
Part Number: KIT-BCFL-0868
Guaranteed to Fit
$126.49
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
Product Details
Location : FrontComponents : (1) Bumper Cover and (2) Fog LightColor Finish : PrimedAssembly : Without mounting bracket(s)Fog Light Holes : With Fog Light HolesReceiver And Tow Hook Hole : With tow hook holeCertification : CAPA CertifiedProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitReplaces OE Number : 12335963, 88979837, 15776381, 15776382Replaces Partslink Number : GM1000684C, GM2592154, GM2593154Interchange Part Number : 12335963, 88979837, GM1000684, 15776381, GM2593154, 15776382, GM2592154Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, Epichlorohydrin, Lead and lead compounds, Naphthalene, Toluene, 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.

Returns Policy : 30-Day Return Policy
5-Piece Kit Front Bumper with Bumper Cover, Fog Lights, and Valance, Painted-Black, with Mounting Brackets
Part Number: KIT-060324-C37
Guaranteed to Fit
$333.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Old Body Style
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Old Body Style
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Old Body Style
Product Details
Location : FrontComponents : (1) Bumper, (1) Bumper Cover, (1) Valance and (2) Fog LightColor Finish : Painted BlackAssembly : With mounting bracket(s)Material : SteelProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitReplaces OE Number : Performance, 12335963, 88979837, 15776382, 15776381, 10386200Replaces Partslink Number : GM1002464, GM1000684, GM2592154, GM2593154, GM1092201Interchange Part Number : Performance, GM1002464, 12335963, 88979837, GM1000684, 15776382, GM2592154, 15776381, GM2593154, 10386200, GM1092201Warranty : 1-year Replacement unlimited-mileage warrantyProp 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
Front, Driver and Passenger Side Halogen Halo Projector Series Fog Light, With bulb(s)
Part Number: SP5021441
Guaranteed to Fit
$89.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L With Switch
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L With Switch
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L With Switch
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L With Switch
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L With Switch
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L With Switch
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L With Switch
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L With Switch
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L With Switch
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L With Switch
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L With Switch
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L With Switch
Product Details
Location : Front, Driver and Passenger SideAssembly : With bulb(s)Light Source : HalogenColor Finish : Smoked Lens, Black InteriorSeries : Halo Projector SeriesRecommended Use : OE UpgradeQuantity Sold : Set of 2Warranty : 1-year Spyder limited warrantyProp 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.

Front, Driver and Passenger Side LED LED Series Fog Light, With bulb(s)
Part Number: FL-LED-GS03-C
Guaranteed to Fit
$96.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD Base All Engines
  • 2005 GMC Sierra 2500 HD SLT All Engines
  • 2005 GMC Sierra 2500 HD SLE All Engines
  • 2005 GMC Sierra 2500 HD WT All Engines
Product Details
Location : Front, Driver and Passenger SideNotes : Plastic Lens Material; White Beam colorAssembly : With bulb(s)Light Source : LEDColor Finish : Clear Lens, Black InteriorSeries : LED SeriesRecommended Use : OE UpgradeQuantity Sold : Set of 2Warranty : 1-year Spyder limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Front, Driver and Passenger Side Halogen Projector Series Fog Light, With bulb(s)
Part Number: FL-P-GS03-HL
Guaranteed to Fit
$86.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD Base All Engines
  • 2005 GMC Sierra 2500 HD SLT All Engines
  • 2005 GMC Sierra 2500 HD SLE All Engines
  • 2005 GMC Sierra 2500 HD WT All Engines
Product Details
Location : Front, Driver and Passenger SideNotes : Plastic Lens Material; White Beam color; With wiring harnessAssembly : With bulb(s)Light Source : HalogenColor Finish : Clear Lens, Black InteriorSeries : Projector SeriesRecommended Use : OE UpgradeQuantity Sold : Set of 2Warranty : 1-year Spyder limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Front, Passenger Side Fog Light
Part Number: RB1570927
Guaranteed to Fit
$47.99
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD All Submodels All Engines
Product Details
Location : Front, Passenger SideNotes : Plastic housing and lens material; 1 bulb quantity; Installation hardware not includedColor Finish : OE comparableRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : GM510-B100R, 15128657, 15208128, 15776381, 15776383, 1225-0103R, 19-5541-90Interchange Part Number : GM510-B100R, 15128657, 15208128, 15776381, 15776383, 1225-0103R, 19-5541-90Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Butadiene, 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.

Front, Driver Side Fog Light
Part Number: RB1570926
Guaranteed to Fit
$41.49
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD All Submodels All Engines
Product Details
Location : Front, Driver SideNotes : Plastic housing and lens material; 1 bulb quantity; Installation hardware not includedColor Finish : OE comparableRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : GM510-B100L, 15128656, 15208127, 15776380, 19-5542-90Interchange Part Number : GM510-B100L, 15128656, 15208127, 15776380, 19-5542-90Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Butadiene, 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.

Front, Passenger Side Fog Light, With bulb, Halogen, CAPA Certified
Part Number: R-G107503Q
Guaranteed to Fit
$46.91
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L
Product Details
Location : Front, Passenger SideCertification : CAPA CertifiedAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableShape : RoundRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : 15776381Replaces Partslink Number : GM2593154CInterchange Part Number : 15776381, GM2593154Warranty : 1-year ReplaceXL unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
Front, Driver Side Fog Light, With bulb, Halogen, CAPA Certified
Part Number: R-G107504Q
Guaranteed to Fit
$35.67
Vehicle Fitment
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2005 GMC Sierra 2500 HD Base 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2005 GMC Sierra 2500 HD SLE 8 Cyl 8.1L
  • 2005 GMC Sierra 2500 HD WT 8 Cyl 6.0L
Product Details
Location : Front, Driver SideCertification : CAPA CertifiedAssembly : With bulb(s)Light Source : HalogenColor Finish : OE comparableShape : RoundRecommended Use : OE ReplacementQuantity Sold : Sold individuallyReplaces OE Number : 15776382Replaces Partslink Number : GM2592154CInterchange Part Number : 15776382, GM2592154Warranty : 1-year ReplaceXL unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, 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.

Returns Policy : 30-Day Return PolicyPromotions : Collision Parts Savings
Page 1 of 2 | Showing 1 - 15 of 18 results

Top Rated Products

good enough
Richard B.
VERIFIED PURCHASER
Exact fit prompt delivery
Rob F.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

Thunderstorm Driving: Tips to Drive Safely During Heavy Rain
Thunderstorm Driving: Tips to Drive Safely During Heavy RainDon’t park next to trees or any other structures that could fall or catch fire once lightning strikes them. If you can, avoid slopes or areas that are prone to flooding. Roll your windows up to keep the rain out and muffle thunder, and turn the engine off. Safety Tips for
Fog Lights: What They Do and When to Use Them
Fog Lights: What They Do and When to Use ThemFog lamps are usually mounted reasonably low—typically about 12 to 30 inches above the road surface—and angled downward to illuminate the ground below the fog.