Question 1

I have a 2014 ford f150 that says it takes 3157nak lcp bulbs in the front park / turn lamps..can't find that exact pn# , will these work ?

Accepted Answer

-3157 is the bulb #.-NA stands for Natural Amber.-K stands for Krypton Gas which is used to make the bulb a LL(Long Life) bulb.-LCP standard for "Liquid Crystal Polymer" - The "LCP" product is made using a special high heat resistant base making it a good solution for small lamp reflectors that may generate high temperatures. The plastic base on the regular 3157 can withstand temperatures of up to 120 C. The "LCP" base can withstand temperatures of up to 230C.Everything this bulb offers is what you need except I am not 100% sure yet if this bulb is manufactured with the LCP base.  If Ford specifies a LCP base you "need" to make sure you get the LCP base.  Cars around 10 years ago started having issues where the lenses, wiring, etc... were melting because the bulbs were getting hot and this was all due to the base initially melting from high temperatures.  Sylvania helped fix this by coming out with the LCP base.I currently have a message into my Sylvania rep to find out if these bulbs use the LCP base.  Years ago the base had to be a gray colored base to qualify but I believe they started making them in black now as well so I wanted to double check with Sylvania before giving you an exact answer if this will work for your vehicle or not.  I will let you know asap.Thanks for your patience and understanding,Kevin O'DonnellO'Donnell's Auto Parts, LLC

Question 2

So I have tried to find online what bulb my 2010 Mercury Mariner takes, but have had no luck.  Does anyone know a source to check?

Accepted Answer

The best place to check is NAPA or another auto parts store the prices are the same except there's no shipping.  They have the part you need in stock too right in the aisle.  I had to go there after buying this and finding out it's the blinker not side marker light.

Question 3

what is natural amber?

Accepted Answer

I think it's the color of the shell.  Supposed to be better for the clarity of the blinker.

Question 4

Will it work for 2007 dodge caliber front turn signal light?

Accepted Answer

Yes,  It will work in the Front & Rear Turn Signal and Side Marker in a 2007 Dodge Caliber.

ASIN	B000COCUF2
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Additional Features	Dimmable
Brand Name	Sylvania
Bulb Base	E26
Bulb Shape Size	A19
Color Temperature	3200 Kelvin
Colour	Amber
Connectivity Technology	Normal bulb
Control Method	Voice
Controller Type	Push Button
Country of Publication	USA
Customer Reviews	4.7 4.7 out of 5 stars (5,148)
Efficiency	49.07 lm/W
Global Trade Identification Number	00046135345692, 00046135381676
Incandescent Equivalent Wattage	28.54 Watts
Included Components	Cap
Indoor Outdoor Usage	Indoor, Outdoor
Item Type Name	SYLVANIA
Item Weight	14 g
Light Color	Amber
Light Output Maximum	1400 Lumens
Light Source Type	Incandescent
Light Type	automotive-exterior-headlight-bulbs, automotive-exterior-turn-signal-light-bulbs
Manufacturer	Sylvania
Manufacturer Part Number	3157NALL.BP2
Manufacturer Warranty Description	12 Month Customer Satisfaction Guarantee
Material Type	amber
Model Name	Dreamfarm Supoon
Model Number	3157NALL.BP2
Number of Items	1
Package Quantity	1
Power Source Type	Electrical
Shape	Globe(G)
Specific Uses For Product	Lamp
Style Name	3157NA/4157NA
UPC	046135381676 046135345692
Unit Count	2.0 Count
Voltage	120 Volts
Wattage	28.54 Watts
White Brightness	302 Lumens

SYLVANIA - 3157NA Long Life Miniature - Amber Bulb, Ideal for Parking, Side Marker and Turn Signal Applications. (Contains 2 Bulbs)

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