FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
X4 Exhaust Manifold for Mercruiser 4.3L and 4.3LX Gen 2 engines (fits part numbers 99745, 99746, 99746A8, and 18-1952-1). This cast iron manifold directs exhaust gases efficiently from your engine block to the riser system.
- Cast iron construction for durability and heat resistance
- Direct OEM replacement for 4.3L and 4.3LX Gen 2 models
- Supports stock and modified engine configurations
- Proper gasket sealing prevents exhaust leaks
Install this manifold to restore proper exhaust flow and prevent costly engine damage from backpressure buildup.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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