1966 Mercury S-55 Engine Timing Parts

Keep Your 1966 Mercury S-55 in Top Shape with Quality Engine Timing Parts

Whether you’re repairing or upgrading your Engine Timing Part, using high-quality parts is key to keeping your 1966 Mercury S-55 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Timing Cover Repair Sleeves, Timing Sets, and Timing Chains. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Timing Parts from Trusted Brands

Looking for a reliable Engine Timing Part? We’ve got you covered with options from brands you know and trust like National. For example, National Engine Timing Parts start at just $12.49 with an average 4.3 star rating. With over 20 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury S-55 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Mercury S-55 Engine Timing Part at Advance Auto Parts is around $50.40, with a range that starts at $4.99 and goes up to $176.99. With 14 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Oil Seal, Engine Timing Set, and Performer-Link Adjustable True-Roller Timing Chain Set start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Timing Part, don’t forget to check out other key components like Camshafts and Engine Gaskets and Seals. At Advance Auto Parts, we’re here to help you keep your 1966 Mercury S-55 in peak condition, inside and out.

Essential 1966 Mercury S-55 Engine Timing Parts

Cloyes Gear – Engine Timing Set (Part No.C-3012K)

Engine Timing Set

from

$33.99
Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S321 Engine Timing Crankshaft Sprocket (1 EA), C494 Engine Timing Chain (1 EA), S396T Engine Timing Camshaft Sprocket (1 EA).

Product Features:
  • Timing Set includes all components for a quick and efficient replacement
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3608X9)

High Performance Timing Set

from

$176.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7808)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$85.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3508X9)

High Performance Timing Set

from

$122.99
Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

National – Engine Harmonic Balancer Repair Sleeve (Part No.88187)

Engine Harmonic Balancer Repair Sleeve

from

$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
See More

FAG US – General Seal (Part No.SS2894)

General Seal

from

$22.79
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Driveworks – Oil Seal (Part No.S-3638)

Oil Seal

from

$4.99
Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Seal (Part No.3638)

Multi-Purpose Seal

from

$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-149)

High Performance Timing Chain

from

$20.99
Street Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-133)

High Performance Timing Chain

from

$68.99
High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Cloyes Gear – Engine Timing Chain (Part No.C494)

Engine Timing Chain

from

$20.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
See More

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S396T)

Engine Timing Camshaft Sprocket

from

$16.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S321)

Engine Timing Crankshaft Sprocket

from

$7.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Most Popular Timing Cover Repair Sleef for 1966 Mercury S-55s

Enhance your 1966 Mercury S-55 with this popular Timing Cover Repair Sleef we have in stock, for $12.49.

National – Engine Harmonic Balancer Repair Sleeve (Part No.88187)

Engine Harmonic Balancer Repair Sleeve

from

$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
See More

Best-Selling 1966 Mercury S-55 Timing Sets

Upgrade your S-55 with one of our 5 best-selling Timing Sets.

Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7808)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$85.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
See More

Cloyes Gear – Engine Timing Set (Part No.C-3012K)

Engine Timing Set

from

$33.99
Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S321 Engine Timing Crankshaft Sprocket (1 EA), C494 Engine Timing Chain (1 EA), S396T Engine Timing Camshaft Sprocket (1 EA).

Product Features:
  • Timing Set includes all components for a quick and efficient replacement
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3508X9)

High Performance Timing Set

from

$122.99
Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – Engine Timing Set (Part No.C-3029X)

Engine Timing Set

from

$89.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. 0.200″ Double Row Fixed Bushing Chain.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3608X9)

High Performance Timing Set

from

$176.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Top-Quality Timing Chains for 1966 Mercury S-55s

Choose a high-quality OEM or aftermarket Timing Chain for Mercury S-55s and enjoy top-notch performance from $20.99.

Cloyes Gear – Engine Timing Chain (Part No.C494)

Engine Timing Chain

from

$20.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-149)

High Performance Timing Chain

from

$20.99
Street Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-133)

High Performance Timing Chain

from

$68.99
High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Top Picks for 1966 Mercury S-55 Timing Cover Seals

Invest in one of our 3 durable Timing Cover Seals for your 1966 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

National – Multi-Purpose Seal (Part No.3638)

Multi-Purpose Seal

from

$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-3638)

Oil Seal

from

$4.99
Product Features:
  • Brand may vary by location
See More

FAG US – General Seal (Part No.SS2894)

General Seal

from

$22.79
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Our Timing Cam Gears for 1966 Mercury S-55s

Make a smart move for your 1966 Mercury S-55 with our Timing Cam Gear for $16.99.

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S396T)

Engine Timing Camshaft Sprocket

from

$16.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Top-Rated Engine Timing Part Brands For Your 1966 Mercury S-55

When it comes to finding the perfect Engine Timing Part for your 1966 Mercury S-55, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Engine Timing Part brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $12.49. Purchasing a Engine Timing Part from us here at Advance Auto Parts is a smart move for both you and your 1966 Mercury S-55, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1966 Mercury S-55 Engine Timing Parts

If you’re looking for a top-quality Engine Timing Part for your 1966 Mercury S-55, Advance Auto Parts has exactly what you need with our selection of National Engine Timing Parts. We have 2 National Engine Timing Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.49, you’ll find the perfect Engine Timing Part for your needs and budget. National Engine Timing Parts for the 1966 Mercury S-55 come highly rated, with over 5 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Engine Timing Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose Seal
from $12.49
(3)
Multi-Purpose Seal
“I hate doubts whether or not this seal would fit, the professionals at my local store assured me it would, It Did”
Engine Harmonic Balancer Repair Sleeve
from $12.49
(2)
Engine Harmonic Balancer Repair Sleeve
“This was needed for an off-label application, and has done the job perfectly. Service was outstanding, as always!”

FAQs for 1966 Mercury S-55 Engine Timing Parts

What are the best-selling Engine Timing Parts for 1966 Mercury S-55s?

Out of 14 Engine Timing Parts that fit 1966 Mercury S-55s, the following parts are the top sellers:

What’s the price range for 1966 Mercury S-55 Engine Timing Parts?

The prices of Engine Timing Parts for the 1966 Mercury S-55 range from $4.99 up to $176.99 for the most premium parts.

What is the average price of an Engine Timing Part for a 1966 Mercury S-55?

The average price for Engine Timing Parts for the 1966 Mercury S-55 is $50.40. Keep in mind the variety of part types within our Engine Timing Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Engine Timing Parts for my 1966 Mercury S-55?

The cheapest 1966 Mercury S-55 Engine Timing Parts we carry are:

Does Advance Auto Parts sell Engine Timing Parts for any other 1966 Mercury models?

Yes. We stock Engine Timing Parts for 11 other popular 1966 Mercury models. Some of the most popular are 1966 Monterey Engine Timing Parts, 1966 Marauder Engine Timing Parts, 1966 Colony Park Engine Timing Parts, 1966 Villager Engine Timing Parts, and 1966 Capri Engine Timing Parts.

What are the top-rated Engine Timing Parts that fit the 1966 Mercury S-55?

The one 1966 Mercury S-55 Engine Timing Part we have in stock is the Oil Seal. It costs $4.99.

What types of Engine Timing Parts do you sell for my 1966 Mercury S-55?

As of 11/2/25, these are some of the most in-demand types of Engine Timing Parts for a 1966 Mercury S-55:

Can I get help with 1966 Mercury S-55 Engine Timing Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Timing Parts and more.

What is your return policy for Mercury S-55 Engine Timing Parts?

Advance Auto Parts keeps returns simple. For new Mercury S-55 Engine Timing Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.