What engines is the Sierra International 18-1903 Manifold compatible with?

The Sierra International 18-1903 Manifold is designed for use with GM Small Block V8 engines, specifically 305-350 CID models manufactured between 1979 and 1989.

What additional parts do I need to install the Sierra 18-1903 Manifold?

For installation, you should use Sierra's 18-1921 Manifold Elbow, 18-2949 Exhaust Manifold Gasket, 18-8502 Exhaust Manifold Mounting Kit, and 18-2902-1 Exhaust Manifold Gasket. These components ensure a proper fit and optimal performance.

Is the Sierra 18-1903 Manifold interchangeable with other brands?

Yes, the Sierra 18-1903 Manifold is interchangeable with several other brands including Mallory 9-40601, GLM 51420, Barr OMC-1-912442, Osco 2442, and OMC Stern Drive 912442.

What warranty does Sierra offer for the 18-1903 Manifold?

All Sierra parts, including the 18-1903 Manifold, qualify for and are covered under Sierra's industry-leading customer satisfaction warranty, ensuring peace of mind with your purchase.

Sierra International 18-1903 Manifold For Gm Sb V8 Engines - Port Side

$677.20
Regular price ~~$967.43~~

Wishlist

Vendor: Sierra

Type: Manifold & Parts

Sku: WBCARB00027H1A8

Available: Available

Shipping information

- No EU import duties.
- Ships within 3-5 business days. (USA)
- Ships with 8-12 business days. (International)

⚠️ California Proposition 65 Warning :
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, visit www.P65Warnings.ca.gov.

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Sierra International 18-1903 Manifold For Gm Sb V8 Engines - Port Side

$677.20

Description

Sierra'S 18-1903 Manifold Is Designed For Use In Gm Small Block V8 (305-350 Cid) (1979-1989) Engines. Designed For Installation On The Port Side. Use With Sierra'S 18-1921 Manifold Elbow, 18-2949 Exhaust Manifold Gasket, 18-8502 Exhaust Manifold Mounting Kit, 18-2902-1 Exhaust Manifold Gasket, And 18-2902-1-9 Exhaust Manifold Gasket. The Manifold Comes With (1) Sierra 18-0943-2 Exhaust Elbow Gasket, (1) Sierra 18-2949 Exhaust Manifold Gasket, (1) Sierra 18-7306 Hose Clamp, And (1) Sierra 18-0550 Plug Off Cap. Interchangeable With Mallory 9-40601, Glm 51420, Barr Omc-1-912442, Osco 2442, And Omc Stern Drive 912442. Check Manufacturer Recommendations To Ensure A Proper Fit Before Purchasing. Each Sierra Product Meets Or Exceeds The Original Equipment Part It Replaces.

FAQs

Have a question ? We are here to help.

Is the shipping free?

Yes, we offer free standard shipping on all orders within the United States.

When will I receive my item?

Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.

Can I change or return my item?

We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.

Frequently Asked Questions

Q: What engines is the Sierra International 18-1903 Manifold compatible with? A: The Sierra International 18-1903 Manifold is designed for use with GM Small Block V8 engines, specifically 305-350 CID models manufactured between 1979 and 1989.
Q: What additional parts do I need to install the Sierra 18-1903 Manifold? A: For installation, you should use Sierra's 18-1921 Manifold Elbow, 18-2949 Exhaust Manifold Gasket, 18-8502 Exhaust Manifold Mounting Kit, and 18-2902-1 Exhaust Manifold Gasket. These components ensure a proper fit and optimal performance.
Q: Is the Sierra 18-1903 Manifold interchangeable with other brands? A: Yes, the Sierra 18-1903 Manifold is interchangeable with several other brands including Mallory 9-40601, GLM 51420, Barr OMC-1-912442, Osco 2442, and OMC Stern Drive 912442.
Q: What is included with the purchase of the Sierra 18-1903 Manifold? A: The manifold package includes (1) Sierra 18-0943-2 Exhaust Elbow Gasket, (1) Sierra 18-2949 Exhaust Manifold Gasket, (1) Sierra 18-7306 Hose Clamp, and (1) Sierra 18-0550 Plug Off Cap.
Q: What warranty does Sierra offer for the 18-1903 Manifold? A: All Sierra parts, including the 18-1903 Manifold, qualify for and are covered under Sierra's industry-leading customer satisfaction warranty, ensuring peace of mind with your purchase.

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