2017 Honda Accord Sport Parts Overview: OEM Component Specifications, Compatibility, and Wear Guides

The 2017 Honda Accord Sport features unique powertrain, chassis, brake, and aesthetic components distinct from standard LX and EX trims. Key proprietary parts include 12.6-inch front brake rotors, a sport-tuned dual-exhaust K24W engine assembly yielding 189 horsepower, 19-inch alloy wheels, and stiffer stabilizer bars. Maintenance requires exact OEM fitment verification across engine, suspension, and trim categories.

1. Understanding the 2017 Honda Accord Sport Trim Architecture

The 2017 Honda Accord represents the final model year of the ninth generation (specifically the refreshed "9.5 generation" spanning 2016 and 2017). Within this model year, Honda offered two distinct sport-oriented 4-cylinder variants: the Accord Sport and the Accord Sport Special Edition (SE). While sharing the core architecture of the standard Accord Sedan chassis (CR2 frame code for 4-cylinder models), the Sport trim incorporates specific mechanical and cosmetic engineering upgrades designed to enhance handling dynamics, braking torque, and visual presence.

• 9th Gen Accord (2016-2017 Facelift)
  • Base Trims (LX, EX, EX-L): 11.1" Front Brakes, Single Exhaust (185 hp), 16"-17" Wheels
  • Sport / Sport SE Trims: 12.6" Front Brakes, Dual Exhaust (189 hp), 19" Wheels, Stiffer Sway Bars

When sourcing replacement parts, component interchangeability between the Sport trim and base models (LX, EX, EX-L) is frequently misunderstood. While body panels, cabin glass, and basic electronic modules are shared, critical wear items—such as front brake rotors, brake pads, front suspension struts, rear sway bars, and exhaust piping—differ significantly. Installing base-model parts on a Sport trim can lead to mechanical fitment failures, degraded braking capacity, or illuminated warning lights on the instrument cluster.

2. Powertrain & Engine Bay Component Specifications

The 2017 Honda Accord Sport is powered exclusively by a direct-injected 2.4-liter Earth Dreams DOHC i-VTEC inline-4 engine (engine code family K24W1 / K24W2). Unlike the standard 2.4L Accord trims that generate 185 horsepower and 181 lb-ft of torque, the Sport variant produces 189 horsepower at 6,400 RPM and 182 lb-ft of torque at 3,900 RPM.

1. 2.4L Earth Dreams Engine
2. High-Flow Dual Exhaust (+4 HP / +1 lb-ft Torque Increase)
3. Transmission Choice
   • 6-Speed Manual (6MT)
   • Continuously Variable Transmission (CVT w/ Paddle Shifters)

Engine Mechanical & Maintenance Parts

• Engine Displacement & Code: 2,356 cc (2.4L), DOHC 16-valve i-VTEC with Direct Fuel Injection.
• Spark Plugs: Iridium-tipped spark plugs (OEM Part: NGK ILZKR7B11 or Honda OEM 12290-5A2-A02). Replacement interval is designated by the Maintenance Minder System (Code 4), typically around 100,000 miles. Thread size is 12mm with a 26.5mm reach; torque specification is 13 lb-ft (18 Nm).
• Engine Air Filter: OEM Part 17220-5A2-A00. The air filter box is shared across 2.4L models, but the high-flow requirements of the direct-injection engine necessitate clean air passage to avoid fuel-trim drift.
• Engine Oil & Filter: Capacity is 4.4 U.S. quarts (4.2 liters) with filter replacement. Honda specifies SAE 0W-20 full synthetic engine oil meeting API SN or SP standards. The factory filter assembly is OEM Part 15400-PLM-A02 (manufactured by Honeywell/Filtech) or OEM Part 15400-RTA-003. Drain plug washer specification is 14mm aluminum (OEM 94109-14000), torqued to 29 lb-ft (39 Nm).
• Serpentine Drive Belt & Tensioner: The single serpentine belt drives the alternator, water pump, and A/C compressor (OEM Belt Part: 31110-5A2-A01). The auto-tensioner assembly (OEM 31170-5A2-A03) should be inspected for hydraulic fluid leakage or arm alignment wear during drive belt replacement.

Tuned Dual-Exhaust System

The extra 4 horsepower and 1 lb-ft of torque in the Sport trim stem directly from its specialized exhaust routing. The system utilizes a dual-outlet configuration downstream of the secondary catalytic converter, splitting into twin un-silenced center pipes and dual rear mufflers with polished chrome tips.

• Exhaust Components: Front pipe, center pipe/resonator assembly (OEM 18210-T2F-A01), left rear muffler (OEM 18307-T2F-A01), right rear muffler (OEM 18305-T2F-A01), and dual chrome oval exhaust finishers (OEM 18310-T2F-A01).
• Gaskets & Hangers: High-temperature donut gaskets and rubber isolators (OEM 18215-SNA-A31) are unique to the rear dual-yoke mounting points.

Transmission Options & Fluid Requirements

The 2017 Accord Sport offered two transmission configurations. Using incorrect fluids in either unit will cause mechanical slip, shudder, or premature gear failure.

1. 6-Speed Manual Transmission (6MT):
   • Fluid Specification: Genuine Honda Manual Transmission Fluid (MTF) (OEM 08798-9031). Fluid capacity is 2.0 U.S. quarts (1.9 liters) for a fluid drain-and-fill.
   • Clutch Assembly: Uses a self-adjusting diaphragm spring clutch disc, pressure plate, and throwout bearing. Dual-mass flywheel replacement or resurfacing is recommended during clutch service.
2. Continuously Variable Transmission (CVT with Sport Mode & Paddle Shifters):
   • Fluid Specification: Honda HCF-2 Transmission Fluid ONLY (OEM 08200-HCF2). Fluid capacity for a drain-and-fill is approximately 3.9 U.S. quarts (3.7 liters).
   • Warning: Never use Honda ATF DW-1 or conventional multi-vehicle automatic transmission fluids in the HCF-2 CVT system. Doing so degrades internal belt traction and destroys the pulley surfaces.

3. Brake System Specifications & Trim-Specific Compatibility

Brake component selection is one of the most common points of error for 2017 Accord Sport owners. Unlike standard LX, EX, and EX-L models, which use 11.1-inch (282 mm) front rotors, the Sport and Touring trims use upgraded 12.6-inch (320 mm) front brake rotors.

• FRONT ROTOR DIAMETER COMPARISON:
  • Base Trims (LX/EX): 11.1 inches / 282 mm
  • Sport Trim: 12.6 inches / 320 mm (Requires enlarged caliper brackets)

Front Brake Assembly

• Rotor Diameter & Thickness: 12.6 inches (320 mm) diameter; nominal original thickness is 28.0 mm, with a discard limit thickness of 26.0 mm.
• Rotor OEM Part Number: OEM 45251-T2F-A81 (Vented front disc).
• Front Brake Pad OEM Part Number: OEM 45022-T2F-A80 (Ceramic formulation with integrated mechanical wear indicators).
• Caliper Brackets: The caliper mounting brackets (OEM 45210-T2F-A81) feature wider mounting offsets to accommodate the larger 320 mm rotor radius. Attempting to fit standard LX/EX 282 mm rotors will cause the brake pads to overhang the edge of the rotor disc.

Rear Brake Assembly

• Rotor Diameter & Thickness: 11.1 inches (282 mm) solid rear disc across all trims. Nominal thickness is 9.0 mm; discard limit thickness is 8.0 mm.
• Rotor OEM Part Number: OEM 42510-T2F-A00.
• Rear Brake Pad OEM Part Number: OEM 43022-T2F-A01.
• Parking Brake: The 2017 Accord utilizes a mechanical cable-operated rear parking brake integrated directly into the rear caliper body (unlike the electronic parking brake found on 10th-generation models). A wind-back tool is required to retract the rear caliper pistons during pad replacement.

Hydraulic System & Maintenance Specs

• Brake Fluid: DOT 3 or DOT 4 heavy-duty brake fluid. Full system flush requires approximately 1.0 quart. Bleeding order follows the standard diagonal sequence: Front-Left, Front-Right, Rear-Right, Rear-Left.

4. Suspension, Steering, and Chassis Hardware

To deliver flatter cornering responses, Honda equipped the 2017 Accord Sport with modified suspension geometry, revised dampening curves, larger stabilizer bars, and an integrated front strut tower brace.

1. Front Strut Tower Brace
   • Left Front Strut
   • Right Front Strut
2. 26.5 mm Solid Sway Bar

Front Suspension & Steering

• Strut Assemblies: MacPherson strut design with trim-specific spring rates and valving. Front Left Strut Assembly (OEM 51610-T2F-A32); Front Right Strut Assembly (OEM 51620-T2F-A32).
• Front Stabilizer (Sway) Bar: 26.5 mm solid steel bar (OEM 51300-T2F-A11) combined with heavy-duty sway bar end links (OEM 51320-T2A-A01).
• Strut Tower Brace: Steel tie-bar connected across the top strut mounts under the hood to minimize chassis flex under hard cornering.
• Electric Power Steering (EPS): Rack-and-pinion setup with a high-output EPS electric motor. The EPS Control Unit (OEM 39980-T2F-A92) features firmware tuned specifically for higher steering effort and enhanced road feedback compared to the LX trim.

Rear Suspension

• Suspension Architecture: Independent multi-link layout featuring upper lateral arms, lower control arms, trailing arms, and coil springs over dampers.
• Rear Stabilizer Bar: Upgraded to a 16.0 mm or 17.0 mm solid rear bar (depending on early/late 2017 production runs, OEM 52300-T2F-A11) to reduce understeer relative to the 15.0 mm bar fitted to base models.
• Rear Shock Absorbers: OEM Part 52611-T2F-A03.

Wheel Specifications and Tire Fitment

The most visually prominent feature of the 2017 Accord Sport is its factory 19-inch split-five-spoke alloy wheels.

• Wheel Size: 19 x 8.0J
• Bolt Pattern (PCD): 5 x 114.3 mm (5 x 4.5 inches)
• Offset: +55 mm
• Center Hub Bore: 64.1 mm
• Lug Nut Torque: 80 lb-ft (108 Nm); Thread size is M12 x 1.5 with a ball/spherical seat profile.
• Factory Tire Size: 235/40R19 96V XL (Extra Load rating required due to low profile and vehicle gross weight rating).
• TPMS System: The 2017 Honda Accord uses an indirect TPMS system. There are no physical pressure sensors inside the wheel valve stems. Instead, the Anti-Lock Braking System (ABS) wheel speed sensors monitor rotational speed differences to detect low pressure. After rotating tires or adjusting tire pressure, the TPMS system must be recalibrated through the steering wheel menu display or dashboard calibration button.

5. Exterior Body Work, Aerodynamics, and Lighting

The 2017 model year received refreshed styling over the 2013–2015 models, including a bolder chrome grille, revised hood, redesigned front and rear bumpers, and full LED fog lights standard on the Sport trim.

• 2017 ACCORD SPORT EXTERIOR HIGHLIGHTS:
  • Aluminum Hood: Reduced Front Axle Weight
  • 19" Machine-Finish Alloy Wheels: Sport Stance & Wider Contact Patch
  • Side Sill Garnishes: Reduced Underbody Drag
  • Body-Colored Lip Spoiler: Rear Axle Stability
  • Dual Chrome Exhaust Tips: Tuned Exhaust Flow & Sport Aesthetics

Exterior Trim & Body Parts

• Aluminum Hood: Lightened aluminum construction (OEM 60100-T2A-A91) reduces front-axle mass. (Identical fitment across all 2016–2017 Accord Sedans).
• Front Bumper Cover: OEM Part 04711-T2F-A80ZZ. Features wider lower air intake openings and dedicated fog light mounting pockets.
• Side Sill Garnishes (Rocker Panel Extensions): Factory-installed underbody side skirts that improve lower aerodynamic flow. Left Side Sill (OEM 71850-T2F-A01); Right Side Sill (OEM 71800-T2F-A01).
• Decklid Lip Spoiler: Factory trunk-lid lip spoiler painted in body color (OEM 71700-T2F-A01).
• Underbody Splash Shield: Plastic skid plate covering the oil pan and transmission housing (OEM 74111-T2A-A00). Uses turn-lock metal screws (OEM 90105-TBA-A00) and plastic push-pins (OEM 91501-TR0-003).

Lighting Assembly Specifications

• Headlight Assemblies: Projector halogen low-beams (H11 bulb, 55W) and halogen high-beams (HB3/9005 bulb, 60W) integrated with signature LED Daytime Running Light (DRL) light strips.
• Fog Lights: Standard LED Fog Light Assemblies (OEM Left: 33950-T2A-A21; Right: 33900-T2A-A21). These feature sealed internal LED modules rather than replaceable halogen bulbs.
• Taillights: LED brake light strips and LED guide rings, paired with halogen incandescent reverse lights (7440 bulb) and turn signal lights (7440NA bulb).

6. Comprehensive OEM vs. Aftermarket Compatibility Matrix

The following matrix provides direct component specifications, OEM reference part numbers, dimensional differences, and upgrade notes for the 2017 Honda Accord Sport.

7. Interior & Cabin Components (Sport & Sport SE Features)

The interior of the 2017 Accord Sport includes trim-exclusive touchpoints designed to reinforce its driver-focused character.

• 2017 Accord Sport Cabin Differences:
  • Leather-Wrapped Steering Wheel w/ Paddle Shifters (CVT models)
  • Textured Aluminum Sport Pedals
  • 10-Way Power Driver Seat (with power lumbar support)
  • Sport SE Upgrades: Full Leather Seats, Red Accent Stitching, Heated Front Seats

Steering Wheel & Controls

• Steering Wheel Assembly: Leather-wrapped three-spoke wheel with audio, cruise control, and Bluetooth hands-free buttons (OEM 78501-T2F-A31ZA).
• Paddle Shifters: CVT-equipped models feature column-mounted shift paddles (Left Downshift OEM 35750-T2A-A01; Right Upshift OEM 35760-T2A-A01) allowing manual control of seven simulated gear ratios.

Seating & Upholstery Variants

• Standard Accord Sport: Combination black cloth seating with synthetic leatherette side bolsters (Fabric code: Black/Leatherette). Features a 10-way power driver seat with power lumbar support and a manual 4-way passenger seat.
• Accord Sport Special Edition (SE): Features full leather-trimmed seating surfaces with contrasting red stitching on the seats, headrests, steering wheel, and shift knob. The Sport SE trim also adds factory-installed heated front seats (Heating element control switches located in the lower center console stack).

Pedal Trim & Cabin Filters

• Pedal Covers: Drilled aluminum brake and accelerator pedal pads (OEM Accelerator Pedal Assembly 17800-T2F-A01; Brake Pedal Pad 46545-580-000).
• Cabin Air Filter: Dust and pollen filter located behind the glovebox housing (OEM 80292-TGA-A01 or 80292-SEC-A01). Replacement is recommended every 15,000 to 30,000 miles depending on environmental conditions.

8. High-Mileage Wear Points and Service Schedule

For vehicles in service today, high-mileage component evaluation is critical for maintaining performance and reliability. Safety recalls and service bulletins compiled by the National Highway Traffic Safety Administration (NHTSA) highlight specific wear items to watch on the 9th-generation Accord platform.

• KEY MAINTENANCE THRESHOLDS:
  • Every 30,000 Miles: CVT Fluid Flush (HCF-2), Engine Air & Cabin Filters
  • Every 60,000 Miles: Brake Fluid Flush, Suspension Bushing Inspection
  • 100,000+ Miles: Spark Plugs, Serpentine Belt, Valve Clearance Check

Known Failure Points & Technical Service Bulletins (TSBs)

1. VTC Actuator Rattle on Cold Start:
   • Symptom: A loud 1-to-2 second metallic rattle immediately upon starting the engine after it has sat cold for several hours.
   • Cause: Variable Timing Control (VTC) actuator gear internal locking pin wear (OEM Part 14310-R44-A01 / 14310-5A2-A01). Honda issued TSBs regarding VTC lock-pin engagement issues on K-series engines.
   • Resolution: Replacing the intake VTC gear with an updated OEM lock-pin spring assembly.
2. CVT Fluid Degradation & Shudder:
   • Symptom: Hesitation or vibration during light acceleration between 20 and 40 mph.
   • Prevention: Change transmission fluid using Honda HCF-2 every 30,000 miles. Never perform a high-pressure machine flush; perform a gravity drain-and-fill method only.
3. Front Lower Control Arm Bushing Wear:
   • Symptom: Clunking noises over bumps or erratic steering tracking under heavy braking.
   • Cause: Compliance bushings in the front lower control arms (OEM 51350-T2A-A03 Left, 51360-T2A-A03 Right) crack and tear due to road impacts and the high mechanical leverage of the 19-inch wheels.
4. Direct Injection Intake Valve Carbon Accumulation:
   • Symptom: Rough idling, engine misfires (P0300–P0304 codes), or reduced top-end engine response.
   • Service: Because direct injection sprays fuel straight into the combustion chamber rather than over the intake valves, carbon deposits accumulate on the intake valve stems over time. Chemical upper-engine intake cleaning or manual walnut shell blasting restores original airflow velocity.

Frequently Asked Questions

Do 2017 Honda Accord LX brake pads fit the Sport trim?

No. Front brake pads designed for the Accord LX do not fit the Accord Sport. The Sport trim features larger 12.6-inch (320 mm) front brake rotors, requiring larger brake pads and caliper carrier brackets. Rear brake pads, however, are 11.1 inches across all 4-cylinder trims and are fully interchangeable.

What transmission fluid does the 2017 Accord Sport CVT require?

The Continuously Variable Transmission in the 2017 Accord Sport strictly requires Honda HCF-2 Transmission Fluid (OEM Part 08200-HCF2). Using conventional ATF DW-1 or multi-vehicle fluids will damage the internal steel belt and pulley surfaces, leading to total transmission failure.

Can I install 17-inch or 18-inch wheels on a 2017 Accord Sport for winter tires?

Yes. Smaller 17-inch or 18-inch wheels can be installed on the Accord Sport for winter setups, provided the wheels match the 5x114.3 bolt pattern, a center bore of 64.1 mm or larger (with hub-centric rings), and clear the larger 12.6-inch front brake calipers. Ensure tire dimensions match overall rolling circumference (e.g., 215/55R17 or 225/50R18).

Why does the 2017 Accord Sport have 4 extra horsepower than the LX trim?

The 4-horsepower increase (189 hp vs. 185 hp) and 1 lb-ft torque gain stem directly from the Sport trim's tuned dual-outlet exhaust system. The reduced backpressure allows the 2.4L Earth Dreams engine to scavenge exhaust gases more efficiently at high engine RPMs.

Does the 2017 Accord Sport use direct or indirect TPMS?

The 2017 Accord Sport uses an indirect Tire Pressure Monitoring System (TPMS). It does not have physical tire pressure sensors mounted inside the wheels. Instead, the ABS wheel speed sensors measure differences in wheel rotational speeds to detect low tire pressure. System recalibration is required through the multi-information display button after adjusting tire pressure or rotating tires.

Practical Recommendations for Owners and Technicians

When maintaining or rebuilding a 2017 Honda Accord Sport, follow these actionable technical recommendations:

1. Verify Brake Rotor Sizes Before Ordering: Always cross-reference front brake part numbers with the 320 mm specification (OEM 45251-T2F-A81) to avoid receiving smaller 282 mm base-model rotors.
2. Strictly Adhere to Transmission Service Intervals: Perform a fluid drain-and-fill on CVT models every 30,000 miles using exclusively Honda Genuine HCF-2 fluid. Maintain manual transmission models every 45,000 to 60,000 miles using Honda MTF.
3. Maintain Proper 19-Inch Tire Pressure: Maintain tire pressures at the driver-door placard specification (typically 33 PSI front / 32 PSI rear cold). Check low-profile sidewalls regularly for bubbles or impact damage, and recalibrate the indirect TPMS after every adjustment.
4. Inspect Suspension Hardware During Tire Rotations: Due to the stiffer dampening and low-profile 235/40R19 tires, inspect lower control arm compliance bushings and front sway bar end-links for cracking or fluid weeping every 10,000 miles.