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  4. Toughdog Rear Leaf Springs Mitsubishi Triton ML-MN | Heavy Duty Pair

Toughdog Heavy Duty Rear Leaf Springs for Mitsubishi Triton ML-MN

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Toughdog Rear Leaf Springs Mitsubishi Triton ML-MN | Heavy Duty Pair Toughdog Rear Leaf Springs Mitsubishi Triton ML-MN | Heavy Duty Pair
$560.00
In Stock
SKU: 9039
Toughdog

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Description

Toughdog Heavy Duty Rear Leaf Springs for the Mitsubishi Triton ML-MN (2006-2015) form a direct-fit multi-leaf pack that lifts the rear by up to 2" and adds up to 300kg of constant load capacity for touring and towing. The progressive-rate leaf design firms up sag under a canopy, tray or camper while keeping the ride settled unladen. Check all suspension parts for the Mitsubishi Triton to match shocks and control arms to this spring rate. Sold as a pair, in stock in Australia with Toughdog's manufacturer warranty and fitment support from our team.

Browse all compatible suspension parts for your Rear Leaf Springs Mitsubishi Triton using our parts finder.

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Kit Includes

  • 2 x Toughdog Heavy Duty Rear Leaf Springs (Left and Right)
  • Spring centre bolts and hardware
  • Premium quality polyurethane bushings
  • Galvanised steel spring components for corrosion resistance
  • Factory-style shackle bushings
  • Installation instructions and spring rate specifications

Note: U-bolts, shock absorbers, and other suspension components sold separately. Professional installation recommended.

Features

Key Features & Performance Benefits

  • Delivers up to 2" of rear lift over standard factory height on the Triton ML-MN
  • Progressive multi-leaf design rated to approximately 300kg constant load for canopies, trays and camper setups
  • Firms up rear sag caused by a bullbar, winch, dual battery tray or towbar without over-stiffening the unladen ride
  • Zinc-plated centre bolts and leaf pins resist corrosion in coastal and outback conditions
  • Anti-friction interleaf pads reduce leaf-on-leaf wear and cut down squeak over time
  • Reduces axle wrap and rear-end sag when towing near GVM, improving trailer stability
  • Designed and warranted by Toughdog, an Australian suspension brand supplying leaf springs across the local 4WD and light-truck market
  • Works alongside a matched pair of Toughdog shock absorbers to keep damping in step with the new spring rate
  • Direct bolt-in replacement using factory-style leaf spring dimensions — no cutting or drilling required

Vehicle Compatibility & Fitment

MakeModelSeriesYearsEngine
MitsubishiTritonML2006-20092.5L Diesel, 3.2L Diesel, 3.0L V6 Petrol
MitsubishiTritonMN2009-20152.5L Diesel, 3.2L Diesel, 3.0L V6 Petrol

Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.

Spring Rate Selection Guide

Choose your rear leaf spring rate based on the constant accessory load you carry, not just occasional payload. A standard-duty pack suits a bare tray or light canopy, while this heavy duty pack suits a steel canopy, dual battery system, water tanks, drawers, or regular caravan towing. Common accessories that add constant load include canopies and camper units, long-range fuel tanks, winches and bullbars, and permanently fitted drawer systems — tally these before ordering to avoid a rear end that sits too high unladen.

Installation & Setup

Fitment is a bolt-in job for an experienced DIY installer with basic hand tools, or a straightforward job for any workshop familiar with leaf spring replacement. Wheel alignment is mandatory after fitting, as ride height and axle position change with the new spring rate. Allow a 500km bedding-in period for the new leaves to settle before final alignment checks. If you're running a heavier rear load, pair this kit with upgraded control arms or check your front-end geometry to keep the Triton tracking straight front to rear.

Why Choose Toughdog?

Toughdog has supplied leaf springs, coil springs and shock absorbers to the Australian 4WD market for years, with products developed around local towing and touring conditions rather than adapted from overseas market specs. Every Toughdog leaf spring pack is backed by a manufacturer warranty and supported by our in-house fitment team if you have questions about load rating or compatibility. You can view the full Toughdog range to compare leaf springs, coil springs and matching shocks for your Triton.

Who Is This For?

This pack suits tradespeople running a steel canopy and tool storage, tourers fitting a camper or long-range fuel and water tanks, and caravan owners who tow regularly and need the rear end to sit level under tow ball weight. If your load varies significantly between trips, it's also worth comparing this leaf spring pack against airbag suspension, which lets you adjust support on the fly for occasional heavy loads.

Toughdog Rear Leaf Springs for the Triton ML-MN are in stock in Australia now with fast dispatch and fitment support from our suspension team. Browse our full lift kit range if you're planning a matched front and rear upgrade.

New to Triton suspension? Read our guide to common Triton suspension problems and how to fix them.

Specification

  • SKU:9039
  • Brand:Toughdog
  • Shipping Weight:20.0000kg
  • 282

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FAQs

Yes, this Toughdog rear leaf spring pair is a direct-fit replacement for the Mitsubishi Triton ML (2006-2009) and MN (2009-2015), across the 2.5L diesel, 3.2L diesel and 3.0L V6 petrol variants. It uses factory-style leaf spring dimensions, so no cutting or drilling is needed. If you're unsure of your exact build, check your compliance plate or contact our fitment team before ordering.

This heavy duty leaf spring pack lifts the rear of the Triton ML-MN by up to 2" over standard factory height. Actual ride height gained depends on the weight already carried in the tub or tray, since a heavier constant load will settle the springs closer to their rated height. Front lift is not affected — this is a rear-only leaf spring upgrade.

You get 2 x Toughdog Heavy Duty Rear Leaf Springs, one for each side, along with zinc-plated centre bolts, leaf pins and anti-friction interleaf pads. Toughdog warranty documentation is included. U-bolts, shackles, bushes and shock absorbers are sold separately, so check your existing hardware condition before fitting.

Yes, this pack is built for constant loads around 300kg, which covers a loaded canopy, dual battery setup or regular caravan towing. The progressive multi-leaf design reduces rear-end sag and axle wrap under tow ball weight, helping keep the Triton level and stable behind a trailer. For heavier or occasional loads, ask our team about matching this pack with a compatible shock absorber.

Control arms are a front suspension component and aren't required for a rear leaf spring change on the Triton ML-MN. If you're also lifting the front or running larger tyres, upgraded control arms can help correct front-end geometry at height. For a rear-only leaf spring swap, your factory control arms remain compatible.

Yes, wheel alignment is mandatory after installing new rear leaf springs. Ride height and axle position change with the new spring rate, which affects rear toe and overall vehicle tracking. We recommend booking an alignment straight after fitting, then rechecking it once the springs have settled through their 500km bedding-in period.

Toughdog offers rear leaf springs in different load ratings for the Triton ML-MN, so you can match the pack to your constant accessory load rather than just this heavy duty option. Consider your canopy weight, water tanks, drawers and towing habits when deciding between standard and heavy duty rates. Our team can help you pick the right rate if you're unsure which pack suits your setup.

A 2" rear lift from this leaf spring pack typically creates enough clearance for a modest tyre size increase, but actual clearance depends on your wheel offset, tyre width and whether you've also lifted the front. Check clearance against your specific wheel and tyre combination before ordering larger rubber, and get in touch if you want a second opinion on fitment.

This Toughdog rear leaf spring pair is covered by Toughdog's manufacturer warranty against manufacturing defects. Keep your proof of purchase and warranty documentation supplied with the kit. If you have any concerns after fitting, our team can help you work through a warranty claim with Toughdog directly.

Yes, this leaf spring pack is designed to keep the Triton comfortable and predictable on-road once correctly loaded and aligned. The progressive multi-leaf rate means it doesn't feel harsh when unladen, while still firming up under a canopy or tow load. Most owners run these year-round for both daily driving and touring or towing trips.

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