Do more without spending more! Shop the Splash into Summer Sale!
Over 26,000 items On Sale!

GLM 51420 replacement parts

Blowout
Closeout Savings! Limited Quantity, Return Restrictions Apply.
Exhaust Manifold Omc Sterndrive/Cobra - 18-1903 - Sierra
Summer Sale Price: $180.89
Save: $89.11
(33% Off $270.00)
Part # 18-1903
No Reviews | Write Review | Ask Question
Replaces OEM part #
  • OMC 912442 V-8 Port side
    Fist most GM V-8 small blocks with end riser
    Use with: mounting Kit: 18-8502
Manifold, port V-8 - Mallory
Summer Sale Price: $201.99
Save: $68.01
(25% Off $270.00)
Part # 9-40601
No Reviews | Write Review | Ask Question
Manifold, Port
Fits 305 - 350 CID V-8
Includes hose and clamp
Use 9-40671 mounting kit
OEM 910144, 909279, 912442
Sierra
Ask a question for
Question & Answer Guidelines
This product ships in 1 to 3 business days.

Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
* Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Shop the Splash into Summer Sale and SAVE!
Need it in a hurry? Upgrade to 2nd Day Air for only $2 more*