Engine Code Location

2000 Chevrolet Chevy Express G3500, Van Cargo, 4.3 WSECTION Engine Code Location
NOTE: For description of engine (RPO) code, see 2000 MODEL COVERAGE  table.

  1. L01 & L34

    On lower left side of engine block, on engine-to-transmission mating flange.
  2. L29 & L65

    On rear left side of engine block, on engine-to-transmission mating flange.
  3. L30, L31, LM7, LQ4 & LR4

    On rear left side of engine block, below left-side cylinder head.
  4. L35 & LF6

    On rear left side of engine block, on engine-to-transmission mating flange, OR  on rear right side of engine block, below intake manifold, OR  on right front top of engine block, below cylinder head.
  5. L43 & LN2

    On top front of rocker cover, OR  on rear left side of engine block, above starter.
  6. LA1

    On left side of engine block, above starter.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.