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1989 Peterbilt 377

X
  2. Auto Parts
  3. Lighting and Electrical
  4. Lighting - Exterior
  5. Back Up Light Bulb
  6. Philips P21WLLB2 for 1989 Peterbilt 377

Philips P21WLLB2 Back Up Light Bulb
for 1989 Peterbilt 377

Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 1
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 2
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 3
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 4
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 5
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 6
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 7
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 8
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 9
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377 Image 10
Philips P21WLLB2 Back Up Light Bulb - 1989 Peterbilt 377

Philips
Brand:Philips
Part Number: P21WLLB2
UPC: 046677714611
Weight: 0.02 lbs
Condition:New



On Sale:

$2.64

Availability:
46 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the Philips P21WLLB2 Back Up Light Bulb for your 1989 Peterbilt 377. Buy now and secure your purchase online!

Philips LongerLife bulbs are for drivers who want the best value for their money.

Specifications:

Bulb Base Type:
BA15s
Bulb Color:
Clear
Contact Quantity:
2
Filament Quantity:
1
Filament Type:
C-6
Length:
2 in.
Push or Twist Type:
Twist Type
Voltage:
12 Volts DC
Wattage:
21 Watts

Philips P21WLLB2 Back Up Light Bulb compatibility with your 1989 Peterbilt 377...

Last Updated: 09/08/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



14L L6 Diesel Turbo LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



14.6L L6 Diesel Turbo LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



10.3L 6 Diesel LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
 

Peterbilt 377



10.3L 6 Diesel LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
 

Peterbilt 377



10.3L 6 Diesel LongerLife
Twin Blister Pack
w/ 4 Round Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
 

Peterbilt 377



10.3L 6 Diesel LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4
 

Peterbilt 377



10.3L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10.3L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Peterbilt 377

10.3L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10.3L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled LongerLife
Twin Blister Pack
w/ 4 Round Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Peterbilt 377

12.7L L6 Diesel Turbo/Aftercooled
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



12.7L L6 Diesel Turbo/Aftercooled Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ 4 Round Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



14.6L L6 Diesel Turbo,
14L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



10L L6 Diesel Turbo LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
 

Peterbilt 377



10L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
 

Peterbilt 377



10L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ 4 Round Headlamps

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
 

Peterbilt 377



10L L6 Diesel Turbo LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4
 

Peterbilt 377



10L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10L L6 Diesel Turbo
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10L L6 Diesel Turbo Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2
 

Peterbilt 377



10.5L 6 Diesel LongerLife
Twin Blister Pack
Compare to Original
Bulb Option 2

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
 

Peterbilt 377



10.5L 6 Diesel LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
 

Peterbilt 377



10.5L 6 Diesel LongerLife
Twin Blister Pack
w/ 4 Round Headlamps

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
 

Peterbilt 377



10.5L 6 Diesel LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4
 

Peterbilt 377



10.5L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Rectangular Headlamps
Compare to Original
Bulb Option 4

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10.5L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ 4 Round Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1991

 

1990

 

1989

 

1988

 

1987

 
Peterbilt 377

10.5L 6 Diesel
1
 
Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5
 

Peterbilt 377



10.5L 6 Diesel Courtesy Light Bulb
LongerLife
Twin Blister Pack
w/ Halogen Capsule Headlamps
Compare to Original
Bulb Option 5

1 Per Vehicle

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