Intake and Exhaust Manifold 3937477 for Cummins

OEM / REF: 3937477SKU: pilotpart109031

Exhaust Manifold 3937477 and 3943841 fits for Cummins L8.9 6LTAA is a Intake and Exhaust Manifold replacement part indexed for Part Number and Cummins Engine: L8.9 6LTAA, 6C8.3, C GAS PLUS CM556, G8.3, G8.3 CM558, GTA8.3 CM558, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISL CM2150, ISL CM...

Stock
In stock
Condition
New
Fitment
Cummins Engine Spare Parts
Category
Manifold
  • Fitment support before you order
  • Worldwide delivery options

Manifold Description

This Manifold is indexed for Part Number; Cummins Engine: L8.9 6LTAA, 6C8.3, C GAS PLUS CM556, G8.3, G8.3 CM558, GTA8.3 CM558, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL9 CM2150 SN, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, ISLE4 CM850, L GAS PLUS CM556, L8.9, L8.9 L121, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L123B, L9.3 L105, L9.5 L117, QSC8.3 CM2250, QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850, QSL9 CM2250, QSL9 CM2250 L115, QSL9 CM2350 L102, QSL9 CM2350 L107, QSL9 CM2350 L118, QSL9 CM2350 L122, QSL9 CM554, QSL9 CM850, QSL9 G CM558, QSL9 M CM2250 L106, QSL9.3 CM2880 L113. Compare reference number 3937477 against the label on your existing Cummins component before ordering.

Additional cross references on file: 3943841, L8.9, 6LTAA. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Cummins Engine: L8.9 6LTAA, 6C8.3, C GAS PLUS CM556, G8.3, G8.3 CM558, GTA8.3 CM558, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL9 CM2150 SN, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, ISLE4 CM850, L GAS PLUS CM556, L8.9, L8.9 L121, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L123B, L9.3 L105, L9.5 L117, QSC8.3 CM2250, QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850, QSL9 CM2250, QSL9 CM2250 L115, QSL9 CM2350 L102, QSL9 CM2350 L107, QSL9 CM2350 L118, QSL9 CM2350 L122, QSL9 CM554, QSL9 CM850, QSL9 G CM558, QSL9 M CM2250 L106, QSL9.3 CM2880 L113

Specifications

Part Number3937477, 3943841

Fitment Notes

Brand or application signal
Cummins Engine Spare Parts
Product family
Manifold
System category
Engine Spare Parts > Emission & Exhaust System > Manifold
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.