2003 Mercury Mountaineer Engine Timing Parts

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Keep Your 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Timing Cover Seals, Timing Sets, and Engine Timing Chain Kits. 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 and Driveworks. For example, National Engine Timing Parts start at just $12.79 with an average 4.3 star rating. Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 69 reviews and a solid 3.8 star average, you can shop with confidence knowing other Mercury Mountaineer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Mercury Mountaineer Engine Timing Part at Advance Auto Parts is around $189.75, with a range that starts at $10.99 and goes up to $863.99. With 55 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Cloyes Gear Engine Timing Chain Tensioner, 9-5587, Cloyes Gear Engine Timing Chain Tensioner, 9-5586, and National Engine Harmonic Balancer Repair Sleeve, 88187 start at just $12.79 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 Engine Gaskets and Seals and Engine Switches, Sensors and Relays. At Advance Auto Parts, we’re here to help you keep your 2003 Mercury Mountaineer in peak condition, inside and out.

Essential 2003 Mercury Mountaineer Engine Timing Parts

Cloyes Gear – Cloyes Gear Engine Balance Shaft Chain Guide, P436G (Part No.P436G)

Cloyes Gear Engine Balance Shaft Chain Guide, P436G

from

$19.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. A balance shaft chain guide serves as a guide (or track) for the balance shaft chain ensuring proper alignment and balance shaft timing. Cloyes balance shaft chain guides use the latest in design and material technology, ensuring quiet operation, durability that meet or exceed OEM performance. To ensure total system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support. 
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Carquest Premium – Carquest Engine Variable Valve Timing (VVT) Sprocket, VVE1027 (Part No.VVE1027)

Carquest Engine Variable Valve Timing (VVT) Sprocket, VVE1027

from

$219.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.
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Cloyes Gear – Cloyes Gear Engine Balance Shaft Chain Tensioner, P442 (Part No.P442)

Cloyes Gear Engine Balance Shaft Chain Tensioner, P442

from

$29.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A balance shaft chain tensioner maintains appropriate tension on the balance shaft chain. Depending on design and application, Cloyes engine balance shaft chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain, C387 (Part No.C387)

Cloyes Gear Engine Timing Chain, C387

from

$71.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. Our timing chains are built to synchronize crankshaft and camshaft rotation with absolute accuracy, ensuring precise valve timing and long-term engine performance. Available as stand-alone chains or in complete kits, Cloyes timing chains are manufactured from premium materials, heat-treated, pre-stressed and engineered for a perfect chain-to-sprocket tooth fit €” delivering quiet operation, durability, and OE-level performance you can count on. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
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Carquest Premium – Carquest Multi-Use Connector, PTA1265 (Part No.PTA1265)

Carquest Multi-Use Connector, PTA1265

from

$59.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3138 (Part No.9-3138)

Cloyes Performance High Performance Timing Set, 9-3138

from

$147.99
“Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets 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”
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Dorman – Dorman Timing Cover – Includes Gaskets and Seal, 635-119 (Part No.635-119)

Dorman Timing Cover - Includes Gaskets and Seal, 635-119

from

$136.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
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Sealed Power – Sealed Power Engine Balance Shaft Bearing Set, 1892M (Part No.1892M)

Sealed Power Engine Balance Shaft Bearing Set, 1892M

from

$55.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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INA US – INA US , ZG-9-5341 (Part No.ZG-9-5341)

INA US , ZG-9-5341

from

$95.99
INA US , ZG-9-5341. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN TENSIONERS & RELATED ITEMS>TIMING CHAIN TENSIONERS & RELATED ITEMS from INA US
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INA US – INA US , ZG-9-5340 (Part No.ZG-9-5340)

INA US , ZG-9-5340

from

$88.99
INA US , ZG-9-5340. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN TENSIONERS & RELATED ITEMS>TIMING CHAIN TENSIONERS & RELATED ITEMS from INA US
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5432 (Part No.9-5432)

Cloyes Gear Engine Timing Chain Tensioner, 9-5432

from

$56.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Dorman – Dorman Timing Chain Tensioner Kit, 420-123 (Part No.420-123)

Dorman Timing Chain Tensioner Kit, 420-123

from

$106.99
This engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
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National – National Multi-Purpose Seal, 2692 (Part No.2692)

National Multi-Purpose Seal, 2692

from

$13.99
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.
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National – National Shaft Repair Sleeve, 99181 (Part No.99181)

National Shaft Repair Sleeve, 99181

from

$38.49
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.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit With Water Pump, 9-0387SKK3 (Part No.9-0387SKK3)

Cloyes Gear Engine Timing Chain Kit With Water Pump, 9-0387SKK3

from

$872.99
Timing Chain Kits with Water Pump includes all components for a quick and efficient replacement.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit With Water Pump, 9-0387SGWP (Part No.9-0387SGWP)

Cloyes Gear Engine Timing Chain Kit With Water Pump, 9-0387SGWP

from

$425.99
Timing Chain Kits with Water Pump includes all components for a quick and efficient replacement.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner Guide, 9-5340 (Part No.9-5340)

Cloyes Gear Engine Timing Chain Tensioner Guide, 9-5340

from

$30.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. A timing chain tensioner guide serves as a guide (or track) for the timing chain and applies tension to the system, connecting crankshaft and camshaft ensuring proper alignment and timing. Cloyes timing chain guides use the latest in design and material technology, ensuring quiet operation, durability and that meet or exceed OEM performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support. 
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INA US – INA US Engine Balance Shaft Chain Kit, ZC-9-0701SA (Part No.ZC-9-0701SA)

INA US Engine Balance Shaft Chain Kit, ZC-9-0701SA

from

$177.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.
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Cloyes Gear – Cloyes Gear Engine Timing Crankshaft Sprocket, S869 (Part No.S869)

Cloyes Gear Engine Timing Crankshaft Sprocket, S869

from

$46.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.
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Cloyes Gear – Cloyes Gear Engine Timing Crankshaft Sprocket, S819 (Part No.S819)

Cloyes Gear Engine Timing Crankshaft Sprocket, S819

from

$8.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.
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National – National Engine Harmonic Balancer Repair Sleeve, 88187 (Part No.88187)

National Engine Harmonic Balancer Repair Sleeve, 88187

from

$12.79
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.
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Felpro – Felpro Shaft Repair Sleeve, 16207 (Part No.16207)

Felpro Shaft Repair Sleeve, 16207

from

$11.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0444SF (Part No.9-0444SF)

Cloyes Gear Engine Timing Chain Kit, 9-0444SF

from

$116.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0387SK (Part No.9-0387SK)

Cloyes Gear Engine Timing Chain Kit, 9-0387SK

from

$298.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Dayco – Dayco Timing Chain Kit, 16 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1457 (Part No.KTC1457)

Dayco Timing Chain Kit, 16 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1457

from

$549.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
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Dayco – Dayco Timing Chain Kit, 9 Piece Set, Chains, Sprockets, Tensioners And Guides, KTC1400 (Part No.KTC1400)

Dayco Timing Chain Kit, 9 Piece Set, Chains, Sprockets, Tensioners And Guides, KTC1400

from

$296.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
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INA US – INA US , ZC-9-0398SD (Part No.ZC-9-0398SD)

INA US , ZC-9-0398SD

from

$219.99
INA US , ZC-9-0398SD. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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Cloyes Gear – Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, With Sprockets, 9-0387SG (Part No.9-0387SG)

Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, With Sprockets, 9-0387SG

from

$325.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Most Popular Timing Cover Seals for 2003 Mercury Mountaineers

Enhance your 2003 Mercury Mountaineer with one of the 4 Timing Cover Seals we have in stock, starting at just $10.99.

Driveworks – Driveworks Oil Seal, S-2692 (Part No.S-2692)

Driveworks Oil Seal, S-2692

from

$10.99
Value-priced seal meets all cataloged application requirements.
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National – National Engine Crankshaft Seal, 482041N (Part No.482041N)

National Engine Crankshaft Seal, 482041N

from

$16.49
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.
See More

National – National Shaft Repair Sleeve, 99157 (Part No.99157)

National Shaft Repair Sleeve, 99157

from

$39.49
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.
See More

National – National Shaft Repair Sleeve, 99181 (Part No.99181)

National Shaft Repair Sleeve, 99181

from

$38.49
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.
See More

Best-Selling 2003 Mercury Mountaineer Timing Set

Upgrade your Mountaineer with our best-selling Timing Set.

INA US – INA US Engine Timing Set, ZC-76135 (Part No.ZC-76135)

INA US Engine Timing Set, ZC-76135

from

$863.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.
See More

Top-Quality Engine Timing Chain Kits for 2003 Mercury Mountaineers

Choose a high-quality OEM or aftermarket Engine Timing Chain Kit for Mercury Mountaineers and enjoy top-notch performance from $116.99.

Cloyes Gear – Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, With Sprockets, 9-0387SG (Part No.9-0387SG)

Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, With Sprockets, 9-0387SG

from

$325.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, Without Sprockets, 9-0387SGX (Part No.9-0387SGX)

Cloyes Gear Primary Timing Chain Kit: Exact Fit, 116 Links, Timing Components, Without Sprockets, 9-0387SGX

from

$277.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
See More

Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0444SF (Part No.9-0444SF)

Cloyes Gear Engine Timing Chain Kit, 9-0444SF

from

$116.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
See More

Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0398SB (Part No.9-0398SB)

Cloyes Gear Engine Timing Chain Kit, 9-0398SB

from

$595.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
See More

Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0398SD (Part No.9-0398SD)

Cloyes Gear Engine Timing Chain Kit, 9-0398SD

from

$161.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
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Cloyes Gear – Cloyes Gear Cassette Assembly, Engine Compartment Seal, 9-0443SR (Part No.9-0443SR)

Cloyes Gear Cassette Assembly, Engine Compartment Seal, 9-0443SR

from

$133.99
Timing Chain Kits includes all components for a quick and efficient replacement.
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Cloyes Gear – Cloyes Gear Primary Timing Chain Kit: Exact Fit, 62, 78, 78 Links, Timing Components, Without Sprockets, 9-0398SC (Part No.9-0398SC)

Cloyes Gear Primary Timing Chain Kit: Exact Fit, 62, 78, 78 Links, Timing Components, Without Sprockets, 9-0398SC

from

$499.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
See More

INA US – INA US , ZC-9-0398SB (Part No.ZC-9-0398SB)

INA US , ZC-9-0398SB

from

$789.99
INA US , ZC-9-0398SB. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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INA US – INA US , ZC-9-0398SC (Part No.ZC-9-0398SC)

INA US , ZC-9-0398SC

from

$737.99
INA US , ZC-9-0398SC. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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INA US – INA US Engine Timing Set, ZC-76137 (Part No.ZC-76137)

INA US Engine Timing Set, ZC-76137

from

$668.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.
See More

Dayco – Dayco Timing Chain Kit, 20 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1359 (Part No.KTC1359)

Dayco Timing Chain Kit, 20 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1359

from

$549.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More

Dayco – Dayco Timing Chain Kit, 16 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1457 (Part No.KTC1457)

Dayco Timing Chain Kit, 16 Piece Set, Chains, Sprockets, Tensioners, Guides And Seals, KTC1457

from

$549.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More

INA US – INA US , ZC-9-0387SG (Part No.ZC-9-0387SG)

INA US , ZC-9-0387SG

from

$534.99
INA US , ZC-9-0387SG. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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INA US – INA US , ZC-9-0387SGX (Part No.ZC-9-0387SGX)

INA US , ZC-9-0387SGX

from

$337.99
INA US , ZC-9-0387SGX. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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Dayco – Dayco Timing Chain Kit, 9 Piece Set, Chains, Sprockets, Tensioners And Guides, KTC1400 (Part No.KTC1400)

Dayco Timing Chain Kit, 9 Piece Set, Chains, Sprockets, Tensioners And Guides, KTC1400

from

$296.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More

Dayco – Dayco Timing Chain Kit, 6 Piece Set, Chains, Tensioners And Guides, KTC1389 (Part No.KTC1389)

Dayco Timing Chain Kit, 6 Piece Set, Chains, Tensioners And Guides, KTC1389

from

$254.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More

INA US – INA US , ZC-9-0398SD (Part No.ZC-9-0398SD)

INA US , ZC-9-0398SD

from

$219.99
INA US , ZC-9-0398SD. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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INA US – INA US , ZC-9-0443SR (Part No.ZC-9-0443SR)

INA US , ZC-9-0443SR

from

$198.99
INA US , ZC-9-0443SR. ENGINE PARTS>TIMING COMPONENTS>TIMING CHAIN SETS>TIMING CHAIN SETS from INA US
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INA US – INA US Engine Timing Chain Kit, ZC-9-0444SF (Part No.ZC-9-0444SF)

INA US Engine Timing Chain Kit, ZC-9-0444SF

from

$156.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.
See More

Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-0398SE (Part No.9-0398SE)

Cloyes Gear Engine Timing Chain Kit, 9-0398SE

from

$153.99
Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.
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Dayco – Dayco Timing Chain Kit, 5 Piece Set, Chain, Sprockets And Guides, KTC1414 (Part No.KTC1414)

Dayco Timing Chain Kit, 5 Piece Set, Chain, Sprockets And Guides, KTC1414

from

$146.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.
See More

Top Picks for 2003 Mercury Mountaineer Timing Chain Tensioners

Invest in one of our 7 durable Timing Chain Tensioners for your 2003 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5587 (Part No.9-5587)

Cloyes Gear Engine Timing Chain Tensioner, 9-5587

from

$77.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5586 (Part No.9-5586)

Cloyes Gear Engine Timing Chain Tensioner, 9-5586

from

$59.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5432 (Part No.9-5432)

Cloyes Gear Engine Timing Chain Tensioner, 9-5432

from

$56.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5433 (Part No.9-5433)

Cloyes Gear Engine Timing Chain Tensioner, 9-5433

from

$55.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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Dorman – Dorman Timing Chain Tensioner Kit, 420-123 (Part No.420-123)

Dorman Timing Chain Tensioner Kit, 420-123

from

$106.99
This engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, P441 (Part No.P441)

Cloyes Gear Engine Timing Chain Tensioner, P441

from

$40.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading Warranty (limited) and technical support.
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INA US – INA US Engine Timing Chain Tensioner, ZT-9-5587 (Part No.ZT-9-5587)

INA US Engine Timing Chain Tensioner, ZT-9-5587

from

$97.99
For optimal power transmission in the timing drive, we offer you repair solutions. Our components ensure the correct gear ratios and deliver high reliability paired with low maintenance costs.
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Our Timing Covers for 2003 Mercury Mountaineers

Make a smart move for your 2003 Mercury Mountaineer with our Timing Cover for $136.99.

Dorman – Dorman Timing Cover – Includes Gaskets and Seal, 635-119 (Part No.635-119)

Dorman Timing Cover - Includes Gaskets and Seal, 635-119

from

$136.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
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Top-Rated Engine Timing Part Brands For Your 2003 Mercury Mountaineer

When it comes to finding the perfect Engine Timing Part for your 2003 Mercury Mountaineer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Engine Timing Part brands including National and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $10.99. Purchasing a Engine Timing Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Mercury Mountaineer, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 2003 Mercury Mountaineer Engine Timing Parts

If you’re looking for a top-quality Engine Timing Part for your 2003 Mercury Mountaineer, 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 $12.79 and an average cost of $14.64, you’ll find the perfect Engine Timing Part for your needs and budget. National Engine Timing Parts for the 2003 Mercury Mountaineer 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.
National Engine Crankshaft Seal, 482041N
from $16.49
(3)
National Engine Crankshaft Seal, 482041N
“Fit was fine for my 2007 Escape and no leaks since installing.”
National Engine Harmonic Balancer Repair Sleeve, 88187
from $12.79
(2)
National Engine Harmonic Balancer Repair Sleeve, 88187
“This was needed for an off-label application, and has done the job perfectly. Service was outstanding, as always!”

Top-Quality Driveworks 2003 Mercury Mountaineer Engine Timing Parts

For those in search of a high-quality Engine Timing Part for their 2003 Mercury Mountaineer, Advance Auto Parts offers a great selection of Driveworks Engine Timing Parts. With 1 Driveworks Engine Timing Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Timing Parts start at just $10.99, giving you a range of options to suit your budget. Backed by over 62 customer ratings and an average rating of 4.2 stars, Driveworks Engine Timing Parts provide both reliability and excellent performance. Choosing a Driveworks Engine Timing Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Driveworks Oil Seal, S-2692
from $10.99
(62)
Driveworks Oil Seal, S-2692
“worked great”

FAQs for 2003 Mercury Mountaineer Engine Timing Parts

What are the best-selling Engine Timing Parts for 2003 Mercury Mountaineers?

Out of 55 Engine Timing Parts that fit 2003 Mercury Mountaineers, the following parts are the top sellers:

What’s the price range for 2003 Mercury Mountaineer Engine Timing Parts?

The prices of Engine Timing Parts for the 2003 Mercury Mountaineer range from $10.99 up to $863.99 for the most premium parts.

What is the average price of an Engine Timing Part for a 2003 Mercury Mountaineer?

The average price for Engine Timing Parts for the 2003 Mercury Mountaineer is $189.75. 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.

Does Advance Auto Parts sell Engine Timing Parts for other Mercury Mountaineer model years?

Yes, we carry Engine Timing Parts for 12 model years of Mercury Mountaineers between 1997 and 2010. The following model years are the most popular for Engine Timing Part purchases: 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2002, and 2001.

What are the cheapest Engine Timing Parts for my 2003 Mercury Mountaineer?

The cheapest 2003 Mercury Mountaineer Engine Timing Parts we carry are:

Does Advance Auto Parts sell Engine Timing Parts for any other 2003 Mercury models?

Yes. We stock Engine Timing Parts for 1 other popular 2003 Mercury models. Some of the most popular are 2003 Grand Marquis Engine Timing Parts and 2003 Marauder Engine Timing Parts.

What types of Engine Timing Parts do you sell for my 2003 Mercury Mountaineer?

As of 8/2/26, these are some of the most in-demand types of Engine Timing Parts for a 2003 Mercury Mountaineer:

Can I get help with 2003 Mercury Mountaineer 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 Mountaineer Engine Timing Parts?

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