Carburetor Repair Kit for 1977 Pontiac Catalina & More - Walker 15603

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$46.99
MPN: 15603
UPC: 724620011689
Item Package Quantity: 1
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Walker Products Carburetor Repair Kit P/N:15603
Walker Products Carburetor Repair Kit P/N:15603
$46.99

Bring a worn Rochester two-barrel back to reliable service with the Walker Products Carburetor Repair Kit 15603, a rebuild kit for Rochester 2 BBL carburetors in the 2GC and 2GE models. It's cataloged for a wide range of 1975-1977 GM cars, including the Buick Century, LeSabre, Regal, Skyhawk and Skylark; the Oldsmobile Cutlass, Cutlass Supreme, Delta 88, Omega and Starfire; and the Pontiac Firebird, Sunbird and Ventura — see the Buyer's Guide tab for the full application list.

  • OE-matched contents: gaskets, seals, and parts sized to support proper fuel metering and fit.
  • Complete rebuild: includes the components needed to rebuild the carburetor to OE specifications.
  • Fuel-blend ready: engineered for use with today's fuel blends, including ethanol.
  • Restored function: designed to address rough idle, hard starting, fuel leaks, and poor fuel economy when a worn carburetor is the cause.

Replacing degraded gaskets, seals, jets, and needles helps restore proper fuel flow, throttle response, and idle performance. This is a rebuild kit only, so reuse the sound components from your original Rochester 2GC/2GE carburetor and follow the correct rebuild procedure.

Interchange: 2-5628
25628 · 2G1222 · 10476 · 10589 · 689 · CK473

This part cross-references / interchanges with the following part numbers:

2G1222, 10476, 10589, 2-5628, 689, CK473

Frequently Asked Questions

Which carburetors does this kit fit?

It's designed for Rochester 2 BBL carburetors in the 2GC and 2GE models. Confirm your carburetor matches one of these before ordering.

Does this kit work with ethanol-blended fuel?

Yes. Walker engineered the kit for use with today's fuel blends, including ethanol-containing fuels.

What's included in the kit?

It includes gaskets, seals, and the other parts needed to rebuild the carburetor to OE specifications. See the Buyer's Guide tab and product images for the specific contents.

Will this fix my rough idle or hard starting?

If a worn carburetor is the cause of rough idle, hard starting, fuel leaks, or poor fuel economy, replacing the degraded internals with this kit addresses it. Diagnose the cause first.

Does this kit fit my vehicle?

It's cataloged for many 1975-1977 Buick, Oldsmobile, and Pontiac models. Check the Buyer's Guide tab to confirm your exact year, make, and model.