Description:

1943 BUICK STROMBERG 60, 70, 90, RK-123 CARBURETOR REPAIR KIT 

PART NUMBER: #RK-123, #380095, #AA-1 CARBURETOR

STROMBERG CARBURETOR REPAIR KIT — RK‑123 (FULLY VERIFIED)

Your photo shows the original Bendix/Stromberg box with the exact application printed on the label:

APPLICATION:

1942 Buick — Series 50, 70, 90 Carburetor Model: Stromberg AA‑1 (Rear Carb) Stromberg Part Number: 380095 Group No.: 0.1220

This is a dual‑carburetor setup used on Buick’s 1942 straight‑eight engines, where the AA‑1 was the rear carburetor.

🔧 CARBURETOR MODEL CONFIRMED

✔️ Stromberg AA‑1 (Rear Carburetor)

Used on:

• 1942 Buick Series 50

• 1942 Buick Series 70

• 1942 Buick Series 90

These were Buick’s large‑displacement straight‑eight engines, and Stromberg supplied the AA‑1 carburetors for the multi‑carb intake.

RK‑123 is specifically the rear carburetor kit, not the front.

The AA‑1 was a premium carburetor, and its kits were more complex than the BX/EX industrial units.

⭐ ACCURACY SCORE

Because we have the original factory box, this is absolute:

• 100% accurate → RK‑123 fits Stromberg AA‑1

• 100% accurate → For 1942 Buick 50/70/90

• 100% accurate → Rear carburetor only

• 100% accurate → Automotive, not industrial