Product Description

New HGE 9746-A (9746A) aluminum exhaust manifold for 1985 through 2002 MerCruiser 4.3L marine gas engines (GM / Chevrolet V-6). This manifold will fit either side of the engine and accepts all factory original accessories and fittings. Comes with full gasket, bolt, and hardware kit. Each "Buy It Now" is for one manifold.

This manifold is new and high-quality aluminum construction. It is significantly lighter than the equivalent cast iron manifold. For tips on replacing exhaust manifolds and risers, see my eBay guide. To determine if this is the correct replacement for you, look on your current manifold for casting numbers and match them to the cross-reference below:

Cross ReferencePart Number
MerCruiser99745, 99746, 99746A8, 99746A17
Osco Motors9745
Barr MarineMC-1-99746
Sierra Marine18-1952-1
HGE9746-A, 9746
Aqua Power5505
GLM Products51225, 51220

Payment

  • PayPal is the preferred method to make secure payments with a credit/debit card or bank account.
  • Sales tax is charged for Washington state USA addresses. Other states are not charged tax. International locations may have import duty/tax (please contact your customs department).

Shipping and Tracking

  • Items ship same day if purchased on a business day before 1pm for UPS or 10am for USPS (Pacific Time).
  • Tracking info is emailed once an item ships, and is also available in your Purchase History on eBay. Double-check that your email address is correct and confirmations aren't going into spam/junk folders.
  • Faster shipping options are available in the Shipping and Payments section.
  • Business days are Monday through Friday, not including holidays.
  • Pickup is not available. All items must be shipped.

International Buyers

  • Items heading outside the USA cannot be used for military or government applications. The seller and marketplace expressly disclaim liability for misuse of its products.
  • Shipping prices shown do not include import taxes or customs duties. Contact your country's customs department for more information.
  • Items cannot be marked as gift or have a lowered value on the documentation. It is unlawful to forge international documents.
  • Most international shipments ship via DHL Express or USPS Express Mail.

Warranty and Returns

This item has a 3 Year warranty covering any manufacturer defects. Defective items are generally replaced within a few business days, plus time in transit, and there will never be any extra cost to you.

Lost Items, Damage, or Other Problems
If your item has a problem, such as being delayed, lost, or damaged by the shipping company, or if there are missing components, please send an eBay Message or Email right away describing the nature of the problem and its urgency (include pictures if possible). Everything will be done to assist you in a timely manner and there will never be any additional cost to you.

Regular Returns
You may return an item if you no longer need it or don't want it anymore. Returns are accepted on items still in the same condition they arrived in. There may be a 10% restocking fee and all shipping costs must be covered by the buyer. To initiate a return, log in to eBay, go to your "Purchase History", and use the "Return" link next to the transaction.

Frequently Asked Questions

Q: Does this fit the port or starboard side of the engine?
This manifold is designed to fit either side of the engine and will accept all original MerCruiser accessories and brackets. If you need to replace both your port and starboard side manifolds, purchase two of these.

Q: How does the quality compare to other brands?
This manifold is made using a new low pressure casting method that significantly reduces casting holes and flaws compared to other methods. View the high-resolution photos to see the quality of the casting and smoothness of the mating surfaces. This manifold will meet or exceed the quality of your original factory manifold. The included gaskets are a high-quality graphite stainless steel weave, and exceed the quality of paper gaskets.

Q: Who manufactures this item?
This item is manufactured by HGE.

Q. What are the shipping dimensions and weight?
This item ships in a box approximately 16" x 8" x 7" and weighs approximately 16 lbs.
Please read the information above thoroughly before asking a question. Questions are answered Mon-Fri 8am-4pm PST. All coorespondance must be via Email or eBay Message.

Thank you for your time!