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2019 Chevrolet Impala
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Diagram GMTI4_1

Diagram

Oxygen Sensor

250-241132 Walker Products
OE Base Sensor


Vehicle specific

Position

Downstream

Note

B2S2

Quantity per vehicle

1

Fits on

  • LS
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
  • LT
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34939 Walker Products
OE Replacement


Vehicle specific

Position

Downstream

Note

B2S2

Quantity per vehicle

1

Fits on

  • LS
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
  • LT
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

250-24773 Walker Products
OE Base Sensor


Vehicle specific

Position

Downstream Front

Note

B1S2

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34003 Walker Products
OE Replacement


Vehicle specific

Position

Downstream Front

Note

B1S2

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

250-24773 Walker Products
OE Base Sensor


Vehicle specific

Position

Downstream Rear

Note

B2S2

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34003 Walker Products
OE Replacement


Vehicle specific

Position

Downstream Rear

Note

B2S2

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

250-241133 Walker Products
OE Base Sensor


Vehicle specific

Position

Upstream

Note

B1S1

Quantity per vehicle

1

Fits on

  • LS
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
  • LT
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34948 Walker Products
OE Replacement


Vehicle specific

Position

Upstream

Note

B1S1

Quantity per vehicle

1

Fits on

  • LS
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
  • LT
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   GAS  
    • L4   2.5L   2457CC   153CID   3.97 Inches   101.0 mm   Naturally Aspirated   LCV   0   [A]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

250-24773 Walker Products
OE Base Sensor


Vehicle specific

Position

Upstream Front

Note

B1S1

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34003 Walker Products
OE Replacement


Vehicle specific

Position

Upstream Front

Note

B1S1

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

250-24773 Walker Products
OE Base Sensor


Vehicle specific

Position

Upstream Rear

Note

B2S1

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

350-34003 Walker Products
OE Replacement


Vehicle specific

Position

Upstream Rear

Note

B2S1

Quantity per vehicle

1

Fits on

  • LS
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • LT
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
  • Premier
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   GAS  
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   Naturally Aspirated   LFX   0   [3]   FI   FLEX  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart

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