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2004 Peterbilt 378 Parts

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2004 Peterbilt 378

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  • Notify When Available
    Heavy Duty Truck 16 x 7 OEM Style Stainless Steel West Coast Mirror LH or RH

    Replaces Mirror TRQ MRA07049

    2 reviews
    Brand: TRQ
    - MRA07049

    • Mirror Type: West Coast
    • Mirror Color / Finish: Paint to Match
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Heated: No
    • Cover Finish: Smooth
    • Housing Color: Stainless Steel
    • Cover Color: Stainless Steel
    • Mirror Head Style: Angled Back Round Corner
    $45.95
    Save 31%
    List $66.95 Save $21.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces Mirror TRQ MRA07049

    Heavy Duty Truck 16 x 7 OEM Style Stainless Steel West Coast Mirror LH or RH
    2 reviews
    Brand: TRQ - MRA07049
    • Mirror Type: West Coast
    • Mirror Color / Finish: Paint to Match
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Heated: No
    • Cover Finish: Smooth
    • Housing Color: Stainless Steel
    • Cover Color: Stainless Steel
    • Mirror Head Style: Angled Back Round Corner
    $45.95
    Save 31%
    List $66.95 Save $21.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror Pair

    Replaces 2004 Peterbilt 378 Driver & Passenger Side 2 Piece Manual Without Memory Paint to Match Center Stud Mirror Set without Heat, Folding, with Puddle Light TRQ MRA09059

    Brand: TRQ
    - MRA09059

    • Mirror Mount Type: Center Stud
    • Includes: Mounting Bracket
    • Design: Round
    • Mirror Color / Finish: Paint to Match
    • Quantity: 2 Piece
    • Adjustment Type: Manual
    • Mirror Memory Type: Without Memory
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    $49.95
    Save 17%
    List $59.95 Save $10.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces 2004 Peterbilt 378 Driver & Passenger Side 2 Piece Manual Without Memory Paint to Match Center Stud Mirror Set without Heat, Folding, with Puddle Light TRQ MRA09059

    Mirror Pair
    Brand: TRQ - MRA09059
    • Mirror Mount Type: Center Stud
    • Includes: Mounting Bracket
    • Design: Round
    • Mirror Color / Finish: Paint to Match
    • Quantity: 2 Piece
    • Adjustment Type: Manual
    • Mirror Memory Type: Without Memory
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    $49.95
    Save 17%
    List $59.95 Save $10.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    HVAC Heater Water Shut-Off Valve Actuator

    Replaces 2004 Peterbilt 378 with Label ID A35130293B HVAC Heater Water Shut-Off Valve Actuator TRQ HCA40161

    Brand: TRQ
    - HCA40161

    • Material: Plastic
    $40.95
    Save 18%
    List $49.95 Save $9.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces 2004 Peterbilt 378 with Label ID A35130293B HVAC Heater Water Shut-Off Valve Actuator TRQ HCA40161

    HVAC Heater Water Shut-Off Valve Actuator
    Brand: TRQ - HCA40161
    • Material: Plastic
    $40.95
    Save 18%
    List $49.95 Save $9.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror

    Replaces Mirror TRQ MRA07151

    Brand: TRQ
    - MRA07151

    • Mirror Type: West Coast
    • Housing Turn Signal Indicator: Yes
    • Heated: Yes
    • Adjustment Type: Manual
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    • Mirror Turn Signal Indicator: No
    • Mirror Head Style: Angled Back Square Corner
    $54.95
    Save 28%
    List $75.95 Save $21.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces Mirror TRQ MRA07151

    Mirror
    Brand: TRQ - MRA07151
    • Mirror Type: West Coast
    • Housing Turn Signal Indicator: Yes
    • Heated: Yes
    • Adjustment Type: Manual
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    • Mirror Turn Signal Indicator: No
    • Mirror Head Style: Angled Back Square Corner
    $54.95
    Save 28%
    List $75.95 Save $21.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror

    Replaces Mirror TRQ MRA07152

    Brand: TRQ
    - MRA07152

    • Mirror Type: West Coast
    • Heated: Yes
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    • Mirror Head Style: Angled Back Square Corner
    $49.95
    Save 25%
    List $66.95 Save $17.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces Mirror TRQ MRA07152

    Mirror
    Brand: TRQ - MRA07152
    • Mirror Type: West Coast
    • Heated: Yes
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    • Mirror Head Style: Angled Back Square Corner
    $49.95
    Save 25%
    List $66.95 Save $17.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror Pair

    Replaces 2004 Peterbilt 378 Driver & Passenger Side 2 Piece Manual Memory Paint to Match Pillow Back West Coast Mirror Set TRQ MRA09051

    Brand: TRQ
    - MRA09051

    • Mirror Type: West Coast
    • Mirror Head Style: Pillow Back
    • Quantity: 2 Piece
    • Mirror Color / Finish: Paint to Match
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    • Adjustment Type: Manual
    • Mirror Memory Type: Memory
    $59.95
    Save 32%
    List $87.95 Save $28.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces 2004 Peterbilt 378 Driver & Passenger Side 2 Piece Manual Memory Paint to Match Pillow Back West Coast Mirror Set TRQ MRA09051

    Mirror Pair
    Brand: TRQ - MRA09051
    • Mirror Type: West Coast
    • Mirror Head Style: Pillow Back
    • Quantity: 2 Piece
    • Mirror Color / Finish: Paint to Match
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    • Adjustment Type: Manual
    • Mirror Memory Type: Memory
    $59.95
    Save 32%
    List $87.95 Save $28.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror Pair

    Replaces 2004 Peterbilt 378 2 Piece Manual Heated Without Memory Paint to Match Angled Back Round Corner West Coast Mirror Set with Heat, Non-Folding, with Housing Turn Signal, without Mirror Turn Signal TRQ MRA09054

    Brand: TRQ
    - MRA09054

    • Mirror Type: West Coast
    • Mirror Head Style: Angled Back Round Corner
    • Quantity: 2 Piece
    • Mirror Color / Finish: Paint to Match
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    • Adjustment Type: Manual
    • Mirror Memory Type: Without Memory
    $67.95
    Save 41%
    List $114.95 Save $47.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces 2004 Peterbilt 378 2 Piece Manual Heated Without Memory Paint to Match Angled Back Round Corner West Coast Mirror Set with Heat, Non-Folding, with Housing Turn Signal, without Mirror Turn Signal TRQ MRA09054

    Mirror Pair
    Brand: TRQ - MRA09054
    • Mirror Type: West Coast
    • Mirror Head Style: Angled Back Round Corner
    • Quantity: 2 Piece
    • Mirror Color / Finish: Paint to Match
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    • Adjustment Type: Manual
    • Mirror Memory Type: Without Memory
    $67.95
    Save 41%
    List $114.95 Save $47.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    92-96 Peterbilt 200-33; 97-05 330 Front Door Chrome Outer Handle LF

    Replaces 2004 Peterbilt 378 Front Driver Side without Daylight Door Exterior Door Handle TRQ DHA48835

    Brand: TRQ
    - DHA48835

    • Color: Chrome
    $64.95
    Save 31%
    List $93.95 Save $29.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces 2004 Peterbilt 378 Front Driver Side without Daylight Door Exterior Door Handle TRQ DHA48835

    92-96 Peterbilt 200-33; 97-05 330 Front Door Chrome Outer Handle LF
    Brand: TRQ - DHA48835
    • Color: Chrome
    $64.95
    Save 31%
    List $93.95 Save $29.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Heavy Duty Truck 16 x 7 OEM Style Ribbed Back Stainless Steel West Coast Mirror LH or RH

    Replaces Mirror TRQ MRA07046

    1 reviews
    Brand: TRQ
    - MRA07046

    • Mirror Head Style: Ribbed Back
    • Mirror Type: West Coast
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Heated: No
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    $49.95
    Save 15%
    List $58.95 Save $9.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces Mirror TRQ MRA07046

    Heavy Duty Truck 16 x 7 OEM Style Ribbed Back Stainless Steel West Coast Mirror LH or RH
    1 reviews
    Brand: TRQ - MRA07046
    • Mirror Head Style: Ribbed Back
    • Mirror Type: West Coast
    • Adjustment Type: Manual
    • Housing Turn Signal Indicator: No
    • Mirror Turn Signal Indicator: No
    • Heated: No
    • Cover Finish: Smooth
    • Cover Color: Stainless Steel
    • Housing Color: Stainless Steel
    $49.95
    Save 15%
    List $58.95 Save $9.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

  • Notify When Available
    Mirror

    Replaces Mirror TRQ MRA04107

    Brand: TRQ
    - MRA04107

    • Heated: Yes
    • Adjustment Type: Manual
    • Mirror Type: West Coast
    • Cover Color: Stainless Steel
    • Cover Finish: Smooth
    • Housing Turn Signal Indicator: Yes
    • Housing Color: Stainless Steel
    • Mirror Turn Signal Indicator: No
    • Mirror Head Style: Angled Back Round Corner
    $69.95
    Save 28%
    List $96.95 Save $27.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

    Replaces Mirror TRQ MRA04107

    Mirror
    Brand: TRQ - MRA04107
    • Heated: Yes
    • Adjustment Type: Manual
    • Mirror Type: West Coast
    • Cover Color: Stainless Steel
    • Cover Finish: Smooth
    • Housing Turn Signal Indicator: Yes
    • Housing Color: Stainless Steel
    • Mirror Turn Signal Indicator: No
    • Mirror Head Style: Angled Back Round Corner
    $69.95
    Save 28%
    List $96.95 Save $27.00

    Guaranteed to Fit 2004 Peterbilt 378

    Guaranteed to Fit 2004 Peterbilt 378

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