{"product_id":"brown-davis-145l-replacement-long-range-fuel-tank-isuzu-dmax-2020-isd20r1","title":"Brown Davis 145 Litre Replacement Long Range Fuel Tank for Isuzu D-MAX (2020–Present)","description":"\u003ch1\u003eBrown Davis 145 Litre Replacement Long Range Fuel Tank for Isuzu D-MAX (2020–Present)\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eBrown Davis 145 Litre Replacement Long Range Fuel Tank (ISD20R1)\u003c\/strong\u003e is the ultimate fuel capacity upgrade for Isuzu D-MAX (2020–Present) owners who need to go further, stop less, and work harder. Engineered and manufactured in Australia by Brown Davis — the country's most trusted name in long range fuel systems since 1978 — this tank directly replaces the factory 76 litre tank, nearly doubling your fuel capacity and dramatically extending your driving range.\u003c\/p\u003e\n\u003cp\u003eWhether you're a serious 4WD tourer exploring remote outback tracks, or a tradie who needs to cover more ground without constant refuelling stops, the ISD20R1 is a practical, no-compromise solution. It retains the vehicle's standard filler point, fuel gauge, and pump assembly — making installation clean and straightforward with no modifications required.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eBrixton 4x4\u003c\/strong\u003e, we stock the full Brown Davis range and stand behind the quality of their engineering. The ISD20R1 is compatible with all D-MAX cab configurations — crew cab, space cab, and single cab — and suits all 4WD variants from SX through to X-TERRAIN.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits: Isuzu D-MAX (2020–Present) — All 4WD Models | Single Cab, Space Cab, Crew Cab | SX, LS-M, LS-U, X-TERRAIN | 3L Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eStep-by-step DIY installation instructions with photographs and diagrams are included with every tank.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: flex-start; margin-top: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 50%; min-width: 300px; padding: 30px 50px 30px 0;\"\u003e\n\u003ch2\u003eWhy Choose the Brown Davis ISD20R1 Long Range Fuel Tank?\u003c\/h2\u003e\n\u003cp\u003eBrown Davis has been manufacturing long range fuel tanks in Australia since 1978. Every tank is laser cut from high-grade aluminised steel, folded for superior structural strength, precision welded using fitting jigs, and pressure tested before leaving the factory. The result is a fuel tank that performs reliably in the most demanding environments your D-MAX will ever face.\u003c\/p\u003e\n\u003cp\u003eBacked by a \u003cstrong\u003e3-year manufacturer's warranty\u003c\/strong\u003e and available at \u003cstrong\u003eBrixton 4x4\u003c\/strong\u003e, this tank comes complete with all parts and hardware required for installation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e145 litre replacement capacity\u003c\/strong\u003e — replaces the factory 76L tank, a 90.8% increase in fuel range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-grade aluminised steel construction\u003c\/strong\u003e — strength of steel with the corrosion resistance of aluminium, no rust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered approach angle\u003c\/strong\u003e — reduces frontal impact risk and improves ramp-over clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal baffling system\u003c\/strong\u003e — prevents fuel slosh and reinforces overall tank structure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGusseted brackets with double thickness pads\u003c\/strong\u003e — spreads mounting loads for a secure, reliable fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel pump sender flange\u003c\/strong\u003e — designed to re-use the vehicle's original equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll-over check valve and expansion box\u003c\/strong\u003e — safe fuel expansion and venting in all orientations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetains standard filler point\u003c\/strong\u003e — connects to the vehicle's original filling point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-fill breather\u003c\/strong\u003e — rapid filling and reduced bowser shut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCushion clamp locators\u003c\/strong\u003e — retains fuel lines and prevents kinking and damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain plug\u003c\/strong\u003e — easy removal of contaminated fuel or fuel sharing in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo modifications required\u003c\/strong\u003e — direct bolt-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with all cab configurations\u003c\/strong\u003e — crew cab, space cab, and single cab\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-year manufacturer's warranty\u003c\/strong\u003e — backed by Brown Davis' Australia-wide support network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll hardware and parts supplied\u003c\/strong\u003e — everything needed for installation included in the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 50%; min-width: 300px; padding: 0;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px;\" alt=\"Brown Davis 145 Litre Replacement Long Range Fuel Tank Isuzu D-MAX 2020 Present\" src=\"https:\/\/www.browndavis.com.au\/wp-content\/uploads\/2014\/08\/ISD20R1-1-1.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  @media (max-width: 768px) {\n    div[style*=\"display: flex\"] { flex-direction: column !important; }\n    div[style*=\"flex: 1 1 50%\"] { min-width: 100% !important; padding: 10px 0 !important; }\n  }\n\u003c\/style\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eISD20R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTank Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eReplacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e145 Litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTank Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eReplaces factory standard tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFiller Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRetains standard filler point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFuel Supply Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh-grade aluminised steel (2mm, 14 gauge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFitting Time (approx.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModifications Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3 Years (Brown Davis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBrown Davis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDriving Range Comparison\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #1a1a1a; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003e\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eConsumption (Manual 7.7L \/ Auto 8L per 100km)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eEstimated Range\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eIncrease\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e76L Standard Tank\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e7.7L \/ 8.0L per 100km\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e987km \/ 950km\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e145L Brown Davis ISD20R1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e7.7L \/ 8.0L per 100km\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e1,883km \/ 1,812km\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e+90.8%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eFigures based on Crew Cab LS-U 4X4 fuel consumption as quoted by Isuzu. Range figures are approximate and will vary based on driving conditions, terrain, load, and vehicle specification. Vehicles should never be driven to the point of running out of fuel.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #1a1a1a; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eYear\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eCab Configuration\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #444; text-align: left;\"\u003eVariants\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models — introduced late 2020)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab, Space Cab, Crew Cab\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSX, LS-M, LS-U, X-TERRAIN (all 4WD models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eInternational:\u003c\/strong\u003e Confirmed fitment with Thailand \/ Asia \/ South Africa world-spec vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAftermarket Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspension:\u003c\/strong\u003e Confident fitment with all suspension, airbags and GVMs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy and Steel Trays:\u003c\/strong\u003e Confident fitment with most aftermarket trays — filler may need relocating after tank fitment. Some under-tray drawers may interfere with the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhausts:\u003c\/strong\u003e Confident fitment with most aftermarket exhausts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eInstallation Instructions\u003c\/h5\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eComprehensive step-by-step DIY fitting instructions with photographs and diagrams are included with every tank. The following is a general overview of the installation process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1.\u003c\/strong\u003e  Unpack the tank and verify all components, hardware, and fitting instructions are present before beginning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.\u003c\/strong\u003e  Safely raise and support the vehicle to gain access to the underside and the factory fuel tank mounting location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3.\u003c\/strong\u003e  Drain any remaining fuel from the factory tank and disconnect all fuel lines, sender wiring, filler tube, and breather lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4.\u003c\/strong\u003e  Remove all factory tank mounting hardware and lower the original tank from the vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.\u003c\/strong\u003e  Transfer the factory fuel pump sender assembly to the Brown Davis tank — the ISD20R1 is designed to reuse the vehicle's original equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6.\u003c\/strong\u003e  Offer up the Brown Davis tank to the mounting location, align all bracket points with the vehicle's existing fixings, and hand-tighten the mounting hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7.\u003c\/strong\u003e  Reconnect all fuel lines using the supplied cushion clamp locators to secure lines and prevent kinking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8.\u003c\/strong\u003e  Connect the filler tube to the vehicle's standard filler point — no filler neck modifications are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9.\u003c\/strong\u003e  Torque all mounting fasteners to specification, inspect all connections, and check for leaks before refuelling and driving.\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.browndavis.com.au\/wp-content\/uploads\/2015\/10\/Instruction-spread-1.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFor further assistance, please \u003ca href=\"\/pages\/contact\"\u003econtact our support team\u003c\/a\u003e.\u003c\/p\u003e","brand":"Brown Davis","offers":[{"title":"QLD | WA","offer_id":44637094051923,"sku":"ISD20R1","price":1368.0,"currency_code":"AUD","in_stock":true},{"title":"NSW | SA | TAS | VIC | ACT | NT","offer_id":44637094084691,"sku":"ISD20R1","price":1298.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/2744\/9427\/files\/ISD20R1-1.jpg?v=1779162311","url":"https:\/\/brixton4x4.com.au\/products\/brown-davis-145l-replacement-long-range-fuel-tank-isuzu-dmax-2020-isd20r1","provider":"Brixton 4x4","version":"1.0","type":"link"}