1978 Jeep J20 Engine Timing Parts
Keep Your 1978 Jeep J20 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 1978 Jeep J20 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 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.
Competitive Prices and Extensive Inventory
The average price for a 1978 Jeep J20 Engine Timing Part at Advance Auto Parts is around $47.05, with a range that starts at $10.79 and goes up to $179.99. With 16 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Engine Timing Set, OE Replacement, With Cam Gear, and Engine Timing Set start at just $37.99 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 1978 Jeep J20 in peak condition, inside and out.
Find Your Specific 1978 Jeep J20 Engine Timing Parts
Looking for the perfect Engine Timing Part for your 1978 Jeep J20? You’re in the right place. Below, you’ll find links to various types of Engine Timing Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Timing Parts, ensuring durability and a precise fit for your Jeep J20. Whether you’re driving a 1978 model or another popular model year like
1980,
1981,
1982,
1983,
1984,
1985,
1986,
1987, and
1988, we’ve got you covered. Purchasing Engine Timing Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Timing Parts that fit your vehicle.
Essential 1978 Jeep J20 Engine Timing Parts
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S412T)
from
$15.99
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:
See More
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
Omix – Camshaft Gear (Part No.17454.07)
from
$23.79
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain and
Product Features:
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Product Features:
- Steel
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S388T)
from
$13.99
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:
See More
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
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S512T)
from
$21.99
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:
See More
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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S515)
from
$8.49
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:
See More
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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S281)
from
$18.99
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:
See More
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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S355)
from
$18.99
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:
See More
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
Omix – Crankshaft Sprocket; 72-90 Jeep SJ Models (Part No.17455.07)
from
$30.99
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Cloyes Gear – Engine Timing Chain (Part No.C494)
from
$18.99
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:
See More
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.
Cloyes Performance – High Performance Timing Chain (Part No.9-135)
from
$66.99
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:
See More
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
Cloyes Gear – Engine Timing Chain (Part No.C349)
from
$25.99
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:
See More
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.
Cloyes Performance – High Performance Timing Chain (Part No.9-133)
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:
See More
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
Cloyes Performance – High Performance Timing Chain (Part No.9-147)
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. Prestressed to Increase Fatigue Life. USA Made.
Product Features:
See More
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
National – Engine Harmonic Balancer Repair Sleeve (Part No.88179)
from
$10.49
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:
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Product Features:
- Made of stainless steel
- Designed to prevent timing cover seal leaks
- Takes up gaps caused by worn-out harmonic balancer shafts
Omix – Front Seal Crank Shaft; 72-91 Jeep SJ Models (Part No.17449.50)
from
$15.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
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Product Features:
- Metal Outer Rubber Inner
- OE Style
- Direct Fit
National – Multi Purpose Seal (Part No.710447)
from
$12.29
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:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
FAG US – SHAFT SEAL (Part No.SS3042)
from
$10.79
SHAFT SEAL
Cloyes Gear – Engine Timing Set (Part No.C-3008K)
from
$37.99
Timing Set includes all components for a quick and efficient replacement
Product Features:
See More
Product Features:
- 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: Cam Sprocket, Crankshaft Sprocket, Timing Chain
Cloyes Gear – Engine Timing Set (Part No.C-3046)
from
$71.99
Timing Set includes all components for a quick and efficient replacement
Product Features:
See More
Product Features:
- 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: Cam Sprocket, Crankshaft Sprocket, Timing Chain
Cloyes Performance – High Performance Timing Set (Part No.9-3603X9)
from
$179.99
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:
See More
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.
Cloyes Performance – High Performance Timing Set (Part No.9-3503X9)
from
$115.99
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:
See More
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.
Cloyes Performance – High Performance Timing Set (Part No.9-3127)
from
$203.99
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.
Product Features:
See More
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.
Omix – Timing Cover Kit; 72-92 Jeep SJ Models (Part No.17457.07)
from
$99.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
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Product Features:
- Cover And Oil Pan Gasket
- OE Style
- Direct Fit
Dorman – Timing Cover Kit – Includes Gasket (Part No.635-409)
from
$76.99
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.
Product Features:
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Product Features:
- Direct replacement – this engine timing cover matches the fit and function of the original equipment cover.
- Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life.
- Cost-effective solution – offers original equipment quality at a competitive price
- Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
Crown Auto Jeep Replacmnt – Oem Replacement, 24-20-16-12-8-4-0 Timing Marks (Part No.53020233)
from
$74.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.
Product Features:
See More
Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Improve The Performance
- Easy Installation
Popular 1978 Jeep J20 Engine Timing Parts Categories
Most Popular Timing Cover Seals for 1978 Jeep J20s
Enhance your 1978 Jeep J20 with one of the 3 Timing Cover Seals we have in stock, starting at just $10.79.
Omix – Front Seal Crank Shaft; 72-91 Jeep SJ Models (Part No.17449.50)
from
$15.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal Outer Rubber Inner
- OE Style
- Direct Fit
National – Multi Purpose Seal (Part No.710447)
from
$12.29
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:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
FAG US – SHAFT SEAL (Part No.SS3042)
from
$10.79
SHAFT SEAL
Best-Selling 1978 Jeep J20 Timing Sets
Upgrade your J20 with one of our 5 best-selling Timing Sets.
Cloyes Performance – Engine Timing Set (Part No.C-3028X)
from
$49.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. 0.200 in. Double Row Fixed Bushing Chain.
Product Features:
See More
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.
Cloyes Gear – Engine Timing Set (Part No.C-3008K)
from
$37.99
Timing Set includes all components for a quick and efficient replacement
Product Features:
See More
Product Features:
- 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: Cam Sprocket, Crankshaft Sprocket, Timing Chain
Crown Auto Jeep Replacmnt – Chrysler Engine, Non Adjustable (Part No.8126681K)
from
$78.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.
Product Features:
See More
Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Improve The Performance
- Easy Installation
Cloyes Performance – High Performance Timing Set (Part No.9-3503X9)
from
$115.99
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:
See More
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.
Cloyes Performance – High Performance Timing Set (Part No.9-3603X9)
from
$179.99
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:
See More
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.
Top-Quality Timing Chains for 1978 Jeep J20s
Choose a high-quality OEM or aftermarket Timing Chain for Jeep J20s and enjoy top-notch performance from $20.99.
Cloyes Performance – High Performance Timing Chain (Part No.9-147)
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. Prestressed to Increase Fatigue Life. USA Made.
Product Features:
See More
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
Cloyes Performance – High Performance Timing Chain (Part No.9-135)
from
$66.99
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:
See More
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
Cloyes Gear – Engine Timing Chain (Part No.C349)
from
$25.99
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:
See More
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.
Our Top Pick for a 1978 Jeep J20 Timing Cover
Invest in a
durable Timing Cover for your 1978 Ford, knowing you’re getting trusted brands and expert craftsmanship.
Crown Auto Jeep Replacmnt – Oem Replacement, 24-20-16-12-8-4-0 Timing Marks (Part No.53020233)
from
$74.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.
Product Features:
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Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Improve The Performance
- Easy Installation
Timing Cam Gears for 1978 Jeep J20s
Make a smart move for your 1978 Jeep J20 with products all priced from $15.99 to $44.99.
Crown Auto Jeep Replacmnt – OE Replacement, With Cam Gear (Part No.4486635K)
from
$44.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.
Product Features:
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Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Easy Installation
Omix – Camshaft Gear (Part No.17454.08)
from
$36.49
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain and
Product Features:
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Product Features:
- Nylon
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S412T)
from
$15.99
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:
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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
FAQs for 1978 Jeep J20 Engine Timing Parts
What are the best-selling Engine Timing Parts for 1978 Jeep J20s?
Out of 16 Engine Timing Parts that fit 1978 Jeep J20s, the following parts are the top sellers:
- Engine Timing Set (12149441) – $49.99
- OE Replacement, With Cam Gear (11901018) – $44.99
- Engine Timing Set (12149434) – $37.99
What’s the price range for 1978 Jeep J20 Engine Timing Parts?
The prices of Engine Timing Parts for the 1978 Jeep J20 range from $10.79 up to $179.99 for the most premium parts.
What is the average price of an Engine Timing Parts Engine Timing Part for a 1978 Jeep J20?
The average price for Engine Timing Parts for the 1978 Jeep J20 is $47.05. 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 Jeep J20 model years?
What are the cheapest Engine Timing Parts for my 1978 Jeep J20?
The cheapest 1978 Jeep J20 Engine Timing Parts we carry are:
- SHAFT SEAL (50205992) – $10.79
- Multi Purpose Seal (20440132) – $12.29
- Front Seal Crank Shaft; 72-91 Jeep SJ Models (10946371) – $15.49
- Engine Timing Camshaft Sprocket (12154858) – $15.99
- Engine Timing Crankshaft Sprocket (12152788) – $18.99
Does Advance Auto Parts sell Engine Timing Parts for any other 1978 Jeep models?
Yes. We stock Engine Timing Parts for 5 other popular 1978 Jeep models. Some of the most popular are 1978 Cherokee Engine Timing Parts, 1978 Wagoneer Engine Timing Parts, 1978 J10 Engine Timing Parts, 1978 CJ7 Engine Timing Parts, and 1978 CJ5 Engine Timing Parts.
What types of Engine Timing Parts do you sell for my 1978 Jeep J20?
As of 4/10/25, these are some of the most in-demand types of Engine Timing Parts for a 1978 Jeep J20:
Can I get help with 1978 Jeep J20 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 Jeep Engine Timing Parts and more.
What is your return policy for Jeep J20 Engine Timing Parts?
Advance Auto Parts keeps returns simple. For new Jeep J20 Engine Timing Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.