Fastback · 5.2L flat-plane-crank V8
2015 Ford Mustang Shelby GT350 6MT
Ford announced 100 GT350 examples for model year 2015. The factory supplement identifies the 526-hp 5.2L flat-plane-crank V8 and TREMEC six-speed manual.
Photo: “Ford Mustang Fastback 2015 Model.jpg” by Tobias "ToMar" Maier / Wikimedia Commons, licensed under CC BY-SA 3.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Shelby GT350
- Body style
- Fastback
- Engine
- 5.2L flat-plane-crank V8
- Transmission
- TREMEC TR-3160 6-speed manual
The 100-car 2015 GT350 run comprised 50 Technology Package and 50 Track Package cars. The supplement distinguishes Technology heated/cooled power seats from Track Recaro equipment; packages are represented here without multiplying identical engine/transmission routes.
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 2015 Ford Mustang Shelby GT350 6MT. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 13
- Factory intervals
- 10
- Fitment-scoped
- 13
- Exact references
- 5
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Engine oil and filter
Sourced interval available
GT350/GT350R oil-life monitor maximum
Follow the Intelligent Oil-Life Monitor sooner; never exceed one year or 10,000 miles. Reset after oil and filter replacement.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R oil-monitor fallback
If the monitor is prematurely reset or inoperative, change oil/filter within six months or 5,000 miles from the last change.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 50–53 (printed 47–50) · checked
GT350/GT350R hot-climate source exception
The manual gives a separate hot-climate exception for the Middle East or locations with similar climates: 3,000 miles with API-certified SM/SN oil, or 1,800 miles when those oils are unavailable. This conditional source exception is not a universal U.S. interval; confirm climate applicability and the required Ford oil specification with the servicing technician.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 57 (printed 54) · checked
GT350/GT350R dusty-use oil and filter
Primarily dusty or sandy operation: whichever comes first. Reset the monitor. During primarily extensive idling or low-speed driving for long distances, oil service remains monitor-directed.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R common-owner road-course oil service
The common owner manual recommends engine oil and filter after each dedicated road-course event. The GT350 supplement complements it and supersedes discrepancies; retain this alongside the supplement’s separate before-and-after-track maintenance.
Source: Ford — 2015 Mustang Owner’s Manual, third printing, USA · owner PDF p. 15 (printed 12); supplement PDF pp. 6–7, 49 (printed 3–4, 46) · checked
Scheduled checks and inspections
Sourced interval available
GT350/GT350R oil-warning response
Complete oil service within two weeks or 500 miles after the oil-change message. This is a warning deadline, not a recurring interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 50–53 (printed 47–50) · checked
GT350/GT350R every oil-service inspections
Rotate tires according to the actual tire-fitment instructions; inspect tread/wear, wheels, brakes/parking brake, coolant strength/hoses, exhaust/heat shields, rear axle/U-joints, half-shaft boots, steering/ball joints/suspension/tie rods/driveshaft. Lubricate grease fittings only. GT350 and GT350R have different front/rear tire sizes; do not interchange axle positions.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R dusty tire and wheel checks
Primarily dusty/sandy operation: inspect wheel noise, wear, looseness or drag; inspect tire wear and tread depth and rotate only according to the actual tire-fitment instructions.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R monthly owner checks
Check engine oil, washer fluid, lights, tires and pressures including spare if equipped.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 52 (printed 49) · checked
GT350/GT350R six-month owner checks
Check battery connections, door drain holes, coolant level/strength, weatherstrips, hinges/latches/locks, parking brake, safety belts/latches, warning lamps, washers/wipers; clean or lubricate as specified.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 52 (printed 49) · checked
GT350/GT350R recommended multi-point inspection
At scheduled visits inspect applicable fluid levels, tires, exhaust, battery, lights/horn, hoses, washers/wipers, windshield, leaks, air filter, boots, suspension, steering and belts; check the temporary mobility-kit sealant expiration if fitted.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 53 (printed 50) · checked
GT350/GT350R timing-chain warning response
Extensive track or high-rpm use can exhaust timing-chain service life. If the wrench indicator signals replacement, see Ford for timing-chain service; no fixed mileage interval is specified.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 57 (printed 54) · checked
GT350/GT350R before-and-after-track maintenance
The supplement calls for multi-point inspection and the maintenance outlined in its 150,000-mile normal schedule before and after track use. Review the supplement’s track preparation and warranty limitations with the servicing technician.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 49 (printed 46) · checked
GT350/GT350R wheel-service retorque
Retighten wheel lug nuts at 500 miles after wheel disturbance; this is a post-service check, not a recurring interval. Follow the specified torque and carbon-fiber wheel service precautions.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 44 (printed 41) · checked
Cabin air filter
Sourced interval available
GT350/GT350R normal cabin filter
Replace every 20,000 miles.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R special-use cabin filter
Inspect frequently and replace as required during primarily extensive idling or low-speed driving for long distances, or primarily dusty/sandy operation.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
Engine air filter
Exact reference available
GT350/GT350R normal engine air filter
Replace every 30,000 miles.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R special-use air inspection
Inspect every 15,000 miles and replace as required during primarily extensive idling or low-speed driving for long distances, or primarily dusty/sandy operation; this is an inspection interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R factory air filter
Motorcraft FA-1922
Exact 5.2L factory parts table; parts fitment alone does not prescribe an interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
Verified ordering references
- Service replacementMotorcraft FA-1922
Qty. 1 · Air filter · catalog-listed
Catalog: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
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Spark plugs
Exact reference available
GT350/GT350R normal spark plugs
Every 100,000 miles; no calendar interval is specified.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R idling spark plugs
Every 60,000 miles during primarily extensive idling or low-speed driving for long distances.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R factory spark plugs
Motorcraft SP-519 / CYFS-12Y
Exact 5.2L factory parts table; parts fitment alone does not prescribe an interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
Verified ordering references
- Service replacementMotorcraft SP-519 / CYFS-12Y
Qty. 1 · Spark plugs · catalog-listed
Catalog: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
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Coolant
Sourced interval available
GT350/GT350R initial coolant
Initial replacement, whichever comes first.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R subsequent coolant
After the initial replacement, whichever comes first.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
Drive belts
Sourced interval available
GT350/GT350R accessory-belt inspection
First inspect at 100,000 miles; after the initial inspection inspect every other oil change until replaced.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R accessory-belt replacement
Every 150,000 miles. This exact table does not retain the older conditional replacement wording.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
Transmission and transfer-case fluid
Sourced interval available
GT350/GT350R normal manual fluid
Every 150,000 miles; manual transmission only.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
GT350/GT350R dusty-use manual fluid
Every 50,000 miles during primarily dusty or sandy operation.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R common-owner road-course transmission service
The common owner manual calls for transmission oil after each event with individual on-track sessions longer than 15 minutes; the GT350 supplement additionally calls for its 150,000-mile maintenance before and after track use.
Source: Ford — 2015 Mustang Owner’s Manual, third printing, USA · owner PDF p. 15 (printed 12); supplement PDF pp. 6–7, 49 (printed 3–4, 46) · checked
Axle fluid
Sourced interval available
GT350/GT350R submerged axle service
Change axle fluid whenever the axle is submerged in water.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 55–56 (printed 52–53) · checked
GT350/GT350R common-owner road-course axle service
The common owner manual recommends axle lubricant and friction modifier after the first hour, then every 12 hours of dedicated road-course use. The supplement additionally calls for before-and-after-track maintenance from its 150,000-mile schedule; review both applicable instructions with the servicing technician.
Source: Ford — 2015 Mustang Owner’s Manual, third printing, USA · owner PDF p. 15 (printed 12); supplement PDF pp. 6–7, 49 (printed 3–4, 46) · checked
GT350/GT350R normal differential fluid
Every 150,000 miles in the GT350 supplement; do not substitute an older Shelby lifetime-fill exception.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF pp. 54–55 (printed 51–52) · checked
Fuel filter
Exact reference available
GT350/GT350R factory fuel filter
Motorcraft FG-1083
Exact 5.2L factory parts table; parts fitment alone does not prescribe an interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
Verified ordering references
- Service replacementMotorcraft FG-1083
Qty. 1 · Fuel filter · catalog-listed
Catalog: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
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Wiper blades
Sourced interval available
Annual wiper-blade replacement
Replace at least once per year for optimum performance; inspect and clean sooner as needed.
Source: Ford — 2015 Mustang Owner’s Manual, third printing, USA · PDF p. 226 (printed 223) · checked
Oil filter
Exact reference available
GT350/GT350R factory oil filter
Motorcraft FL-2069-ST
Exact 5.2L factory parts table; parts fitment alone does not prescribe an interval.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
Verified ordering references
- Service replacementMotorcraft FL-2069-ST
Qty. 1 · Oil filter · catalog-listed
Catalog: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
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Battery
Exact reference available
GT350/GT350R factory battery
Motorcraft 67R-390
Factory standard battery. Below 0°F Ford recommends the 590 CCA 96R battery, Ford CR3T-10655-BA; confirm installed equipment.
Source: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
Verified ordering references
- Service replacementMotorcraft 67R-390
Qty. 1 · Battery · catalog-listed
Catalog: Ford — 2015–2016 Shelby GT350 Supplement, July 2015, USA · PDF p. 47 (printed 44) — 5.2L Motorcraft Parts table · checked
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Sources
Other 2015 configurations
- V6 Fastback 6MT
- V6 Fastback 6AT
- V6 Convertible 6MT
- V6 Convertible 6AT
- EcoBoost Fastback 6MT
- EcoBoost Fastback 6AT
- EcoBoost Premium Fastback 6MT
- EcoBoost Premium Fastback 6AT
- EcoBoost Premium Convertible 6MT
- EcoBoost Premium Convertible 6AT
- GT Fastback 6MT
- GT Fastback 6AT
- GT Premium Fastback 6MT
- GT Premium Fastback 6AT
- GT Premium Convertible 6MT
- GT Premium Convertible 6AT
- 50 Years Limited Edition 6MT
- 50 Years Limited Edition 6AT
- Shelby GT350R 6MT