Toughdog Front Leaf Springs for Nissan MQ/MK Patrol deliver proven heavy-duty performance engineered for Australia's toughest conditions. Designed to restore factory ride height or provide enhanced load capacity, these premium leaf springs offer exceptional durability and consistent performance whether you're touring the outback, towing, or tackling daily duties. Backed by Toughdog's Australian warranty and in stock now for fast Australia-wide dispatch.
Browse all compatible suspension parts for your Mk Patrol using our parts finder.
| Make | Model | Series | Years | Configuration |
|---|---|---|---|---|
| Nissan | Patrol | MQ | 1980-1987 | Front Axle |
| Nissan | Patrol | MK | 1982-1988 | Front Axle |
Not sure if this fits your vehicle or need help selecting the correct spring rate? Contact our suspension experts for personalized advice or browse all suspension parts for the Nissan Patrol using our comprehensive parts finder.
Selecting the correct spring rate is critical for optimal performance and ride quality. Your spring rate should be based on the constant accessory load fitted to your MQ/MK Patrol — this means permanent accessories that are installed full-time, not occasional cargo. Common front-end accessories that affect spring rate selection include steel bullbars, winches, heavy-duty front bumpers, dual battery systems, auxiliary lighting, upgraded alternators, and long-range fuel tanks. Important: Do not select a higher spring rate based on occasional loads like camping gear, passengers, or infrequent towing — oversized spring rates will result in harsh ride quality and potential damage to other suspension components including bushings, shackles, and shock absorbers.
Professional installation by a qualified mechanic or experienced 4WD workshop is strongly recommended for leaf spring replacement to ensure correct torque specifications, proper spring alignment, and safe operation. A full wheel alignment is mandatory after installation as leaf spring replacement can affect caster, camber, and toe settings critical for safe handling and even tyre wear. Allow a 500km break-in period for springs to settle and seat properly before final ride height assessment. For vehicles with significant lift or heavily modified front ends, consider pairing these springs with upgraded suspension components including castor-corrected bushings and heavy-duty shackles for optimized geometry.
Toughdog has earned its reputation as Australia's most trusted 4WD suspension brand through decades of engineering excellence, rigorous outback testing, and unwavering commitment to quality. Every Toughdog product is designed specifically for Australian conditions and backed by comprehensive warranty coverage giving you confidence whether you're crossing the Simpson Desert or commuting to the jobsite. Trusted by thousands of Australian tourers, tradespeople, and 4WD enthusiasts, the full Toughdog suspension range delivers proven performance you can depend on when it matters most.
These Toughdog front leaf springs are ideal for Nissan MQ/MK Patrol owners who have added front-end accessories, need to restore sagging factory springs, or require enhanced load capacity for touring and remote travel. They're perfect for tradespeople running heavy bullbars and winches, caravan towers needing stable front-end support, and outback adventurers carrying recovery gear and long-range tanks. If you regularly carry heavy rear loads or tow trailers and caravans, consider complementing these front springs with airbag suspension at the rear for infinitely adjustable load leveling and enhanced towing stability.
Upgrade your classic Nissan MQ/MK Patrol with genuine Toughdog quality — Australian stock ready for fast dispatch Australia-wide with expert technical support available to help you select the perfect spring rate for your setup. Whether you're restoring a classic workhorse or building the ultimate tourer, these front leaf springs deliver the foundation for reliable performance. Need a complete suspension solution? Browse our full lift kit range to find matched shock absorbers, rear springs, and complete suspension systems engineered for your Patrol.
These Toughdog front leaf springs are specifically engineered to fit Nissan Patrol MQ models (1980-1987) and MK models (1982-1988). They are designed as direct OEM replacement springs with correct spring eye spacing, arch profile, and mounting dimensions for bolt-in fitment. However, spring rate selection depends on your specific front-end accessory load, so it's important to accurately assess your constant accessories like bullbars and winches. If you're unsure about your exact model year or variant, our team can verify fitment using your VIN or build date.
These Toughdog front leaf springs are primarily designed for load carrying capacity and ride height restoration rather than lift. They will restore factory ride height on sagging or worn original springs and can provide a slight lift (typically 0-25mm) when fitted to vehicles with heavy front accessories like bullbars and winches. The final ride height depends on your selected spring rate and constant accessory load — heavier-rated springs supporting appropriate loads will sit higher than lighter-rated springs. For significant suspension lift on your MQ/MK Patrol, these springs work best as part of a complete lift kit system including longer shocks and appropriate rear spring upgrades.
This kit includes a pair (left and right) of complete Toughdog front leaf springs with multi-leaf construction, anti-corrosion coating, centre bolts, spring clips, and pre-installed bushings where applicable. The springs are supplied as complete assemblies ready for installation. Note that U-bolts, spring shackles, and mounting hardware may need to be purchased separately depending on your vehicle's condition and whether you're reusing original hardware. Rear leaf springs are also sold separately if you're planning a complete four-corner suspension upgrade on your MQ/MK Patrol.
Yes, these Toughdog front leaf springs are engineered to handle the increased front-end weight and dynamic loads associated with towing when correctly rated for your setup. When towing, your Patrol's front end carries additional weight from the tow vehicle itself plus the downward force transmitted through the tow hitch, requiring springs with adequate load capacity. Select your spring rate based on constant front accessories, and ensure your rear suspension is also appropriately upgraded for towing — rear springs or airbags carry the majority of towing loads. Proper front-to-rear suspension balance is essential for safe towing stability, steering control, and braking performance.
For standard replacement and modest load increases, upgraded control arms are typically not required when fitting these Toughdog front leaf springs to MQ/MK Patrol models. However, if your Patrol has been significantly modified, lifted, or if you're experiencing worn suspension bushings, worn radius arm bushings, or steering issues, it may be beneficial to address those components during installation. Leaf spring vehicles rely on radius arms and Panhard rods for front axle location, so inspect these components for wear. Fresh bushings, shackles, and quality shock absorbers will maximize the performance and longevity of your new springs and deliver the best overall ride quality.
Yes, professional wheel alignment is mandatory after installing new front leaf springs on your Nissan Patrol. Leaf spring replacement can alter suspension geometry including caster angle and ride height, which directly affects wheel alignment settings like toe and camber. Proper alignment ensures even tyre wear, predictable handling, stable highway tracking, and safe braking performance. Most reputable 4WD workshops will include wheel alignment as part of the installation service. Drive carefully to your alignment appointment and allow springs to settle through the 500km break-in period before final alignment adjustments if needed.
Yes, Toughdog front leaf springs for the MQ/MK Patrol are available in multiple spring rates to match your specific constant accessory load. When ordering, you'll select the spring rate based on the permanent weight of front-end accessories like bullbars, winches, dual batteries, and long-range tanks that are fitted to your vehicle full-time. It's critical to select spring rate based only on constant load — not occasional camping gear, passengers, or infrequent towing loads. Selecting an unnecessarily heavy spring rate will result in harsh ride quality, reduced suspension articulation, and potential damage to bushings and shocks. Our team can help you calculate your front accessory weight to select the optimal spring rate.
These Toughdog front leaf springs primarily restore ride height and improve load capacity rather than provide significant lift for tyre clearance. If you're planning to fit larger tyres to your MQ/MK Patrol, you'll likely need additional modifications including body lifts, diff breather extensions, and potentially spring-over-axle conversions or complete lift kit systems. The MQ/MK Patrol platform can accommodate modest tyre size increases (typically up to 33 inches) with minor trimming and appropriate suspension setup, but significant tyre upgrades require comprehensive suspension and driveline modifications. Consult with our team about complete lift solutions if larger tyres are your primary goal.
Toughdog front leaf springs are backed by comprehensive manufacturer warranty coverage that protects against defects in materials and workmanship under normal use. Warranty terms typically cover structural failures, broken leaves, and manufacturing defects when springs are correctly selected for your application and professionally installed. Warranty does not cover damage from overloading beyond rated capacity, incorrect spring rate selection, improper installation, accident damage, or normal wear items. Always retain your proof of purchase and follow recommended installation procedures including professional fitting and wheel alignment. For specific warranty terms and duration, refer to Toughdog's official warranty documentation included with your springs.
Absolutely — these Toughdog front leaf springs are engineered to deliver excellent ride quality for daily driving, commuting, and highway touring when correctly matched to your vehicle's constant load. Toughdog's progressive leaf design provides comfortable unladen ride characteristics while maintaining load capacity when needed. Unlike overly stiff competition springs, correctly-rated Toughdog springs offer a balanced ride that's comfortable enough for daily use yet capable enough for weekend adventures and touring. The key is selecting the appropriate spring rate for your actual constant accessories — not overspecifying spring rate based on occasional loads. With proper selection, you'll enjoy reliable daily performance with the capability to handle touring and off-road duties when the weekend arrives.
Proper Heavy Duty Springs for Remote Work
After running these Toughdog front leaf springs through the Canning Stock Route and several trips into the Simpson, they've handled everything I've thrown at them. The ride quality loaded up with long-range fuel, water and recovery gear is noticeably better than the old springs, and they're not sagging at all even with a steel bar and winch up front. Worth every cent for serious remote touring where you can't afford failures.(5)
Perfect Upgrade for Our Family Camping Rig
Fitted these heavy-duty front leaf springs to our old MK Patrol before our last trip to the High Country and the difference is night and day. The front end sits level now even with the camping gear, roof tent and water loaded up, and the ride quality on corrugated tracks is actually more comfortable than the old sagging originals. Really impressed with how well they're engineered for Australian conditions – you can tell Toughdog knows what they're doing.(5)
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