Is this manifold a genuine Dorman 674-694XD part?

No. This is a SPELAB passenger side exhaust manifold designed as a compatible replacement option for applications commonly cross-referenced with Dorman 674-694 / 674-694XD. The Dorman number is used for fitment reference only.

Is this manifold for the driver side or passenger side?

This exhaust manifold is designed for the passenger side on compatible Ford and Lincoln applications.

What vehicles does this passenger side exhaust manifold fit?

It fits select Ford Expedition, Ford F-150, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Lobo, Lincoln Mark LT, and Lincoln Navigator applications listed in the fitment table. Always confirm your exact year, engine, position, and reference number before ordering.

What OE or interchange part numbers does this manifold reference?

Reference numbers include 101361, 663189, 3L3Z 9430-DA, 7C3Z 9430-A, Dorman 674-694, and Dorman 674-694XD.

What is this exhaust manifold made from?

This SPELAB exhaust manifold is made from stainless steel according to the listed product specifications.

Can I install this exhaust manifold myself?

Many experienced DIY owners can install this manifold with the right tools, preparation, and mechanical knowledge. Because older Ford and Lincoln vehicles may have rusted or seized exhaust hardware, allow extra time and inspect the studs, nuts, gasket surface, and nearby exhaust connections before installation.

What problem does this exhaust manifold help solve?

It helps replace a cracked, leaking, rusted, warped, or damaged passenger-side exhaust manifold and can help reduce ticking noises, soot marks, exhaust smell, and exhaust leaks near the engine.

Does this manifold require tuning?

No. A standard passenger-side exhaust manifold replacement does not generally require tuning.

Is this compatible with Lincoln Navigator?

Yes, it is listed for select Lincoln Navigator applications. Always confirm year, engine, passenger-side position, and reference number before ordering.

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Cast iron passenger-side exhaust manifold for 2004-2010 Ford and 2005-2009 Lincoln with two figure-eight gaskets, flange nuts and studs, beside its SPELAB box

Passenger-side cast iron exhaust manifold for 2004-2010 Ford and 2005-2009 Lincoln, with the round collector outlet and a row of port flange tabs

Round collector outlet flange with a machined sealing face on a cast iron passenger-side exhaust manifold for 2004-2010 Ford and 2005-2009 Lincoln

Cylinder-head side of the cast iron passenger-side exhaust manifold for 2004-2010 Ford and 2005-2009 Lincoln, with four machined port flanges

Included hardware for the 2004-2010 Ford and 2005-2009 Lincoln passenger-side exhaust manifold: two figure-eight gaskets, two flange nuts, and two studs

Passenger Side Exhaust Manifold Compatible with Dorman 674-694XD

Name: Passenger Side Exhaust Manifold Compatible with Dorman 674-694XD
Brand: SPELAB
SKU: SPES08331
Price: 79.0 USD
Availability: InStock

$79.00

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Brand: SPELAB
SKU: SPES08331
Availability: Many in stock
Product Type: Exhaust Manifold
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For compatible Ford and Lincoln trucks or SUVs with passenger-side ticking, soot deposits, exhaust odor, or damaged manifold hardware, this SPELAB stainless steel manifold provides a repair-focused replacement for restoring a properly sealed exhaust path.

The SPELAB passenger-side exhaust manifold is designed for the compatible Ford and Lincoln applications listed below and is commonly cross-referenced with Dorman 674-694, Dorman 674-694XD, and OE numbers 101361, 663189, 3L3Z 9430-DA, and 7C3Z 9430-A.

Reference Note: Dorman and OE numbers are provided only as fitment cross-references. This is a SPELAB product and is not manufactured, endorsed, or sold as a Dorman-branded part.

Key Features and Benefits

Passenger-Side Replacement: Designed for the passenger side on compatible Ford and Lincoln applications.
Stainless Steel Construction: Offers useful corrosion resistance and withstands repeated exhaust heat cycles when correctly installed and supported.
Tubular Manifold Design: Provides a defined multi-runner exhaust path; final sound and performance depend on the complete vehicle.
Equal-Length Runners: The listed design is intended to provide more consistent exhaust routing between cylinders.
Mandrel-Bent Pipes: Mandrel bending helps maintain the internal tube shape through each bend.
Pressed, Chrome-Plated Flanges: The listed treatment is intended to support sealing-surface consistency and provide additional surface protection.
TIG-Welded Joints: TIG-welded joints are used throughout; installation alignment and support still affect durability.

Best For

Passenger-Side Manifold Repairs: A replacement option for the compatible Ford and Lincoln applications listed below.
High-Mileage Trucks and SUVs: Suitable when diagnosis confirms a cracked, warped, corroded, or leaking passenger-side manifold.
Daily Drivers and Family Vehicles: Applicable when restoring exhaust sealing and reducing leak-related noise or odor are the main objectives.
Towing and Work Use: Suitable for compatible vehicles exposed to repeated heat cycles, load, and demanding use.
Experienced DIY Repairs: Best suited to owners prepared to work with aging gaskets and corroded fasteners.
Cross-Reference Searches: Relevant to buyers seeking a compatible SPELAB option for Dorman 674-694 or 674-694XD applications.

Factory-Style/OEM vs. SPELAB vs. High-End Custom Manifolds

The appropriate manifold depends on whether the vehicle needs a basic stock-style repair, a tubular stainless steel replacement, or a custom performance system.

Option	Best For	Main Advantage	Limitations
Factory-Style/OEM Replacement	Stock vehicles requiring a basic repair	Maintains conventional factory-style routing	Material and construction vary by replacement part
SPELAB Passenger-Side Manifold	Compatible daily, towing, work, and high-mileage vehicles	Stainless tubular construction, listed equal-length runners, mandrel-bent pipes, and TIG welds	Not a custom manifold for a specialized competition build
Custom Performance Manifold	Specialized engine and exhaust projects	Can be designed around a particular vehicle and objective	Usually requires more fabrication, time, supporting changes, and expense

Bottom Line: This manifold can be a practical replacement when the exact vehicle, engine, passenger-side position, reference number, flange arrangement, and exhaust connections match.

Why Replace Your Passenger Side Exhaust Manifold?

A leaking manifold can produce ticking, soot, exhaust odor, or increased exhaust noise near the cylinder head. Replacement can restore the sealed path when the passenger-side manifold, gasket, flange, or hardware is the confirmed source.

Replaces a compatible cracked, leaking, warped, corroded, or damaged manifold
Restores a sealed path from the cylinder head into the exhaust system
Can reduce ticking, soot, and exhaust odor caused by a confirmed leak
Supports compatible Ford and Lincoln trucks and SUVs
Provides a compatible option for applications cross-referenced with Dorman 674-694 or 674-694XD

Fitment for Select Ford and Lincoln Passenger Side Applications

Make	Model	Years	Position
Ford	Expedition	2005-2009	Passenger Side
Ford	F-150	2004-2009	Passenger Side
Ford	F-250 Super Duty	2005-2009	Passenger Side
Ford	F-350 Super Duty	2005-2009	Passenger Side
Ford	Lobo	2004-2010	Passenger Side
Lincoln	Mark LT	2006-2008	Passenger Side
Lincoln	Navigator	2005-2009	Passenger Side

Reference / Interchange Numbers: 101361, 663189, 3L3Z 9430-DA, 7C3Z 9430-A, Dorman 674-694, and Dorman 674-694XD.

Fitment Note: Confirm the exact year, make, model, engine, trim, passenger-side position, flange arrangement, exhaust layout, and reference number before ordering.

Need options for other vehicle applications? Browse more SPELAB exhaust manifolds.

Exhaust Manifold Specifications

Specification	Details
Brand	SPELAB
Product Type	Passenger-Side Exhaust Manifold
Application	Select 2004-2010 Ford and 2005-2009 Lincoln applications
Position	Passenger Side
Cross-Reference	Dorman 674-694 / 674-694XD applications
OE Numbers	101361, 663189, 3L3Z 9430-DA, 7C3Z 9430-A
Material	Stainless steel
Design	Tubular manifold design
Runner Design	Equal-length runners, according to the listing
Pipe Construction	Mandrel-bent pipes
Flange Treatment	Hydraulic-pressed flanges with listed chrome plating
Welding	TIG-welded joints
Certificate	ISO9001:2000 listed in the original information; contact SPELAB for current documentation

Installation Notes for Experienced DIY Owners

Confirm the passenger-side position before removing the original part.
Match the reference numbers, product images, flange arrangement, and exhaust connections.
Allow additional time for corroded, seized, broken, or heat-cycled hardware.
Inspect the gasket, cylinder-head sealing surface, hardware, and nearby exhaust connections.
Follow the applicable service procedure, fastener sequence, and torque specifications.
Allow the engine and exhaust to cool completely.
Inspect for soot or leakage after the initial heat cycles.

Symptoms of a Worn or Leaking Exhaust Manifold

Passenger-side ticking during a cold start or acceleration
Soot deposits near the flange or gasket
Exhaust odor around the engine bay or cabin
Increased exhaust noise
Broken or corroded hardware
Visible cracks, warping, or corrosion

Important Fitment and Use Note

This product is intended for compatible passenger-side Ford and Lincoln applications. Dorman and OE numbers are cross-references only. Fitment and final results vary with engine, trim, production date, exhaust configuration, vehicle condition, and installation quality.

FAQ About This Passenger Side Exhaust Manifold

Q: Is this a genuine Dorman 674-694XD part?
A: No. It is a SPELAB manifold for applications commonly cross-referenced with Dorman 674-694 or 674-694XD.

Q: Is it for the driver or passenger side?
A: It is intended for the passenger side on compatible applications.

Q: What vehicles does it fit?
A: The table lists select Ford Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Lobo, Lincoln Mark LT, and Navigator applications.

Q: What reference numbers are listed?
A: 101361, 663189, 3L3Z 9430-DA, 7C3Z 9430-A, Dorman 674-694, and Dorman 674-694XD.

Q: What is it made from?
A: The listing specifies stainless steel.

Q: Can I install it myself?
A: An experienced owner may be able to install it, but corroded hardware, restricted access, or damaged sealing surfaces can make professional installation appropriate.

Q: What problems can it help solve?
A: When the passenger-side manifold is the confirmed source, replacement can address ticking, soot, exhaust odor, and leakage caused by a damaged manifold.

Q: Does it require tuning?
A: A standard replacement on an otherwise stock vehicle typically does not require tuning. Substantially modified vehicles may have different requirements.

Q: Is this for Ford F-150 and Expedition applications?
A: It is listed for select F-150 and Expedition applications shown in the fitment table.

Q: Is it compatible with Lincoln Navigator?
A: It is listed for select 2005-2009 Navigator applications; confirm the engine, passenger-side position, and reference number.

Passenger Side Exhaust Manifold Compatible with Dorman 674-694XD

Key Features and Benefits

Best For

Factory-Style/OEM vs. SPELAB vs. High-End Custom Manifolds

Why Replace Your Passenger Side Exhaust Manifold?

Customer Reviews