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Transfer Cases

Quality by Design. Monster by Nature.

Chevy / GM Transfer Case

Chevy / GM

Direct-fit reman transfer cases for common GM 4WD & AWD platforms.

  • CommonNP246 • NP261 • NP263
  • AlsoMP1626 • MP3023 • Getrag 760
  • VerifyTag/RPO • Spline • Shift type
Ford Transfer Case

Ford

Reman transfer cases organized by Ford model code and year range.

  • CommonBW4406 • BW4419
  • AlsoNP271 • NP273 • NV1128 • 7251
  • VerifyTag • Connector • Shift motor
Dodge Transfer Case

Dodge

Find the right transfer case by model code and year range — fast.

  • CommonNP241 • NP271 • NP273
  • Also797 • MP3023 • MP2010
  • VerifyTag • Spline • Input/Output

Why 4WD/AWD Owners Choose Monster

  • Shop by make → model → year range so you’re not guessing between similar cases.
  • Built for OE-style fit and drivability — the goal is a clean, direct replacement.
  • Easy path to avoid mis-orders: tag/RPO + spline + shift type verification before checkout.
  • If a core is required, the core fee is shown on the product page and handled through the normal core return process.

How do I identify my transfer case?

Start with the transfer case tag (case half) and confirm shift type (manual lever vs electronic). GM owners should also check RPO codes when available.

Will it include the encoder/shift motor?

Inclusion varies by model. Always confirm what’s included on the product page and plan to reuse compatible external components when required.

Do I need programming after install?

Some vehicles may require a relearn/initialization for the 4WD module after installation, especially when an electronic shift system is involved.

Core returns?

If a core is required, the product page will show it. Use the core return process after your order is placed.

*When in doubt, confirm by tag + year + drivetrain before ordering.

Monster Knowledge Hub

Transfer Case Guide: order the right unit the first time

Transfer cases are easy to mis-order because similar models overlap across years. Use this flow: identify → verify → install correctly.

1) Identify your model

Match the model code (NP / BW / MP / NV / Getrag) and verify year range.

  • Tag is the fastest (case half label)
  • Shift type: manual lever vs electronic
  • Spline/input: confirm before ordering

2) Confirm it’s a direct match

Don’t rely on “looks the same.” Electronics and outputs can change.

  • Connector style / sensors
  • Input/output configuration
  • 4WD/AWD control system compatibility

3) Install to protect the unit

Most repeat issues come from fluids, leaks, or incomplete setup.

  • Use the correct OEM-specified fluid
  • Inspect mounts, seals, and driveshaft angles
  • Initialize/relearn 4WD system when applicable
Quick checklist before first drive

Verify the case is filled with the correct fluid, check for leaks, confirm 4WD mode engagement, and ensure driveshaft/output compatibility. If your system uses electronic shifting, confirm the selector/encoder motor operation and complete any required relearn.

AWD vs 4WD — does it matter?

Yes. Some AWD systems don’t use the same selectable ranges as 4WD cases. Always match the exact model and system type.

What if I’m between two year ranges?

Use the tag/model code first. If still unclear, confirm connector/shift system details on the product page before purchasing.

My 4WD lights flash after install — why?

Often a relearn/initialization issue, encoder motor mismatch, or electrical/connector difference. Verify your model and electronics match.

Do I need a core return?

If the product requires it, it’ll be shown on the product page. Core return is handled through the normal Monster core process.