H&R 10-13 Mazda Mazda3 4/5-Door BL Sport Spring - 52683

The H&R Sport Spring (part # 52683) is a purpose-built lowering spring kit designed specifically for the 2010–2013 Mazda 3 (BL chassis) in both 4-door sedan and 5-door hatchback body styles. As H&R's best-selling suspension product, Sport Springs deliver a meaningful upgrade over factory springs — sharpening handling dynamics, reducing the fender-well gap for a cleaner stance, and doing so without sacrificing the daily-driver comfort that makes them so popular among Mazda 3 owners.

Key Features & Benefits

• Lowered Center of Gravity: Sport Springs drop the vehicle's ride height, bringing the center of gravity closer to the ground and reducing body roll during cornering — a direct improvement in how the Mazda 3 feels through turns and lane changes.
• Progressive Spring Rate Design: H&R's progressive rate technology starts softer for small bumps and daily road imperfections, then firms up progressively under harder cornering loads. The result is a ride that feels comfortable on the commute and composed on a backroad — without the harshness of a linear-rate sport spring.
• Reduced Fender-Well Gap: One of the most visible changes these springs deliver is a tighter, more aggressive wheel-to-fender relationship. The factory "wheel well gap" is noticeably reduced, giving the BL Mazda 3 a stance that looks intentional and sporty rather than stock.
• Improved Aerodynamics: A lower ride height reduces the vehicle's wind resistance signature, making it more streamlined. H&R notes this can contribute to improved fuel efficiency as a secondary benefit.
• Bolt-On Upgrade — No Coilover Required: Sport Springs are designed to work with your factory struts and shocks (or performance replacements). If you're looking for the single highest-impact suspension upgrade without the expense of a full coilover kit, this is H&R's recommended starting point.
• H&R Engineering Pedigree: H&R is a German-engineered suspension brand with decades of OEM and motorsport credibility. Sport Springs are H&R's number-one selling product line worldwide, reflecting proven quality and consistent fitment.

Specifications

• Brand: H&R
• Part Number: 52683
• SKU: HRS52683
• Spring Type: Progressive rate sport lowering springs
• Application: 2010–2013 Mazda 3 (BL), 4-door & 5-door
• Package Dimensions: 24.00" (L) × 15.90" (W) × 6.90" (H)

Fitment

These H&R Sport Springs are confirmed to fit the following vehicles:

• 2010–2013 Mazda 3 "i" (BL chassis) — 4-door sedan
• 2010–2013 Mazda 3 "s" (BL chassis) — 5-door hatchback
• 2010–2011 Mazda 3 Mazdaspeed (BL chassis)

Important fitment notes: This spring kit is specific to the BL-generation Mazda 3 (2010–2013). It is not designed for the earlier BK-generation Mazda 3 (2004–2009) — H&R offers a separate part (51643) for that platform. If you own a Mazdaspeed 3 and are considering this kit, verify your specific year against the fitment list above, as H&R also offers a dedicated Mazdaspeed 3 spring (52603). If you have any doubt about fitment for your trim or configuration, reach out to the ThreePiece.us team before ordering.

Why Buy from ThreePiece.us

• Free Shipping on Every Order: All H&R suspension orders ship free to the continental US — no minimum required.
• Affirm Financing Available: Break your purchase into manageable payments through Affirm, so you can upgrade your Mazda 3's suspension now without waiting.
• Expert Fitment Support: ThreePiece.us has served 10,000+ customers and specializes in making sure the right part goes on the right car. If you have questions about whether these springs work with your specific struts, wheel setup, or planned modifications, contact the team directly at 813-535-5801 or via the fitment help form on this page.
• Regularly Stocked Product: This is a regularly stocked item at ThreePiece.us, not a special order — meaning faster fulfillment for most orders.

Frequently Asked Questions

Q: Will these springs fit both the 4-door sedan and 5-door hatchback Mazda 3?
A: Yes. H&R part 52683 is explicitly listed for both the 4-door and 5-door BL-chassis Mazda 3 (2010–2013). Both body styles share the same BL platform suspension geometry, making this a single kit that covers both configurations.

Q: Do I need to replace my shocks or struts when installing these springs?
A: H&R Sport Springs are designed to work with your existing factory struts. That said, many enthusiasts choose to pair new springs with performance dampers for the best ride and handling balance. H&R also offers coilover options for the BL Mazda 3 (such as the 52684 Street Performance Coilover) if you want a more comprehensive suspension overhaul. If you're unsure what's best for your build, the ThreePiece.us fitment team can help you decide.

Q: Is this the same spring as the Mazdaspeed 3 kit?
A: No. H&R offers a separate Sport Spring (52603) specifically for the 2010–2013 Mazdaspeed 3 BL. The 52683 does list the 2010–2011 Mazdaspeed 3 as a compatible fitment, but if your vehicle is a Mazdaspeed model, confirm your year against the fitment chart or contact us — using the correct spring for your suspension tune matters.

Q: How do I order and what can I expect for shipping?
A: Simply add the H&R 52683 to your cart on ThreePiece.us. Shipping is free on every order. This product is a regularly stocked item. Affirm financing is available at checkout if you'd prefer to spread out the cost.