{"product_id":"4jj1-dpf-4jj3-performance-camshaft-set","title":"4JJ1 DPF (2017-2020) \/ 4JJ3 Performance Camshaft Set (Intake + Exhaust) - Fuse Tech","description":"\u003c!-- ==================== Product: 4JJ1 DPF (2017-2020) \/ 4JJ3 Performance Camshaft Set (Intake + Exhaust) | FuseTech ==================== --\u003e\n\u003cstyle\u003e\n.product-description details summary{cursor:pointer;list-style:none;position:relative;padding-left:16px;font-weight:700;margin:10px 0;}\n.product-description details summary::before{content:\"▸\";position:absolute;left:0;color:#00c853;transition:transform .2s;}\n.product-description details[open] summary::before{transform:rotate(90deg);}\n\u003c\/style\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003e🌀 4JJ1 (2017–2020 DPF) \/ 4JJ3 Performance Camshaft Set – Intake + Exhaust\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center; margin: 0 0 10px;\"\u003eMore Duration. More Airflow. Fits the Engines Nobody Else Covers | FuseTech\u003c\/h2\u003e\n\u003c!-- ===== TRUST BADGES ===== --\u003e\n\u003cdiv class=\"crc-badges\"\u003e\n\u003cspan class=\"badge-fusetech\"\u003e⚡ FuseTech Performance\u003c\/span\u003e \u003cspan class=\"badge-red\" style=\"background:#00c853;color:#0d0d0d;\"\u003e✅ DPF-Era 4JJ1 + 4JJ3 Compatible 🔥\u003c\/span\u003e \u003cspan class=\"badge-blue\"\u003e💳 Afterpay • Humm • Klarna • Zip\u003c\/span\u003e \u003cspan class=\"badge-black\"\u003e🚚 Free Express Shipping AU\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eThe camshaft upgrade for the 4JJ1s and 4JJ3s the rest of the market left behind.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost aftermarket 4JJ1 performance cams only suit the early aluminium rocker cover engines. This \u003cstrong\u003eFuseTech intake + exhaust camshaft set\u003c\/strong\u003e is built for the \u003cstrong\u003eDPF-era 4JJ1-TCX\u003c\/strong\u003e — the Euro 5 engine introduced with the MY17 update (plastic rocker cover, roller rocker valvetrain) — and the \u003cstrong\u003e4JJ3\u003c\/strong\u003e in the current-generation D-MAX, MU-X and BT-50. Revised lobe profiles run more lift and duration than the factory sticks, moving more air in and more exhaust energy out for stronger response and top-end pull on tuned builds.\u003c\/p\u003e\n\u003cp style=\"background: #ffebee; padding: 12px; border-radius: 4px; margin: 16px 0; border-left: 4px solid #c62828;\"\u003e\u003cstrong style=\"color: #c62828;\"\u003e⚠️ PERFORMANCE UPGRADE:\u003c\/strong\u003e Professional installation strongly recommended. Factory camshaft gears must be transferred onto these camshafts, and cam timing must be set correctly. ECU tuning recommended to get the full benefit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;\"\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"background:#00c853;color:#0d0d0d;text-align:left;padding:10px;font-weight:700;\"\u003eSpec Snapshot\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;width:38%;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003eMatched intake + exhaust camshaft pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003e\u003cstrong\u003eProfile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003eIncreased lift \u0026amp; duration over stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003e\u003cstrong\u003eEngine fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003e4JJ1-TCX DPF (2017–2020, incl. late-2016 MU-X builds) \u0026amp; 4JJ3 (2020+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003e\u003cstrong\u003eReplaces OE (2017–2020 4JJ1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003eIntake 8-98288-940-0 \/ 8-98003-129-3 • Exhaust 8-98288-946-1 \/ 8-98003-130-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003e\u003cstrong\u003eCam gears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;border-bottom:1px solid #1f1f1f;\"\u003eFactory gears transferred to new camshafts (reused)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#0d0d0d;color:#f5f5f5;padding:10px;\"\u003eFuseTech Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e \u003csummary\u003e✅ Key Features\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e🌀 \u003cstrong\u003eComplete Set:\u003c\/strong\u003e Intake and exhaust camshafts, matched as a pair\u003c\/li\u003e\n\u003cli\u003e📈 \u003cstrong\u003eMore Lift \u0026amp; Duration:\u003c\/strong\u003e Revised lobe profiles over the factory camshafts for improved airflow and response\u003c\/li\u003e\n\u003cli\u003e🧩 \u003cstrong\u003eDPF-Era \u0026amp; 4JJ3 Fitment:\u003c\/strong\u003e Suits the plastic rocker cover engines most aftermarket cams don't cover\u003c\/li\u003e\n\u003cli\u003e🔥 \u003cstrong\u003eTurbo-Friendly:\u003c\/strong\u003e More exhaust energy to spool larger turbos on upgraded builds\u003c\/li\u003e\n\u003cli\u003e🧰 \u003cstrong\u003eReuses Factory Gears:\u003c\/strong\u003e No proprietary drive gear required — factory cam gears transfer across\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e \u003csummary\u003e🔧 Vehicle Compatibility\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIsuzu D-MAX – 4JJ1-TCX DPF (MY17 update, 2017–2020)\u003c\/li\u003e\n\u003cli\u003eIsuzu MU-X – 4JJ1-TCX DPF (MY16.5\/MY17 on, 2017–2021)\u003c\/li\u003e\n\u003cli\u003eIsuzu D-MAX RG – 4JJ3 (2020+)\u003c\/li\u003e\n\u003cli\u003eIsuzu MU-X – 4JJ3 (2021+)\u003c\/li\u003e\n\u003cli\u003eMazda BT-50 TF – 4JJ3 (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick fitment check:\u003c\/strong\u003e plastic rocker cover + DPF fitted + injector codes starting “9F” = you're in the right place. Aluminium rocker cover (2005–2016 pre-DPF 4JJ1) = this set is \u003cstrong\u003enot\u003c\/strong\u003e for you. Message us with your VIN if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e📦 What's Included\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e1 × FuseTech Performance Intake Camshaft\u003c\/li\u003e\n\u003cli\u003e1 × FuseTech Performance Exhaust Camshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: .95em; color: #555; margin-top: 8px;\"\u003e\u003cem\u003eFactory camshaft gears are reused — transfer from your original camshafts during installation.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e🛠️ Installation \u0026amp; Requirements\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation strongly recommended\u003c\/strong\u003e — correct cam timing is critical\u003c\/li\u003e\n\u003cli\u003eFactory camshaft gears must be transferred to the new camshafts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECU tuning recommended\u003c\/strong\u003e to take full advantage of the revised profiles\u003c\/li\u003e\n\u003cli\u003eBest paired with supporting mods — upgraded turbo, exhaust, intercooling and fuel system on high-output builds\u003c\/li\u003e\n\u003cli\u003eContact us to confirm stock availability if timing is critical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e🛡️ Warranty \u0026amp; Returns\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eCovered under our standard policy — see our \u003ca href=\"https:\/\/www.commonrailcowboys.com\/policies\/refund-policy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRefund, Returns \u0026amp; Warranty Policy\u003c\/a\u003e for full terms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e💳 Payment \u0026amp; Shipping Options\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e💸 \u003cstrong\u003eBuy Now, Pay Later:\u003c\/strong\u003e Afterpay, Humm, Klarna \u0026amp; Zip available\u003c\/li\u003e\n\u003cli\u003e✈️ \u003cstrong\u003eFree Express Shipping Australia-Wide\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e📦 Diesel performance specialists — not general parts resellers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e⚠️ Legal Notice\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp style=\"background: #fff3cd; padding: 10px; border-radius: 4px;\"\u003e\u003cstrong\u003eFor off-road \/ competition use only.\u003c\/strong\u003e Engine modifications may affect compliance, including DPF-related emissions requirements. Check local regulations before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e \u003csummary\u003e❓ Frequently Asked Questions\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these camshafts fit my 2017–2020 D-MAX with the DPF?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes — that's exactly what this set is designed for. The MY17-on 4JJ1-TCX DPF engine uses a revised valvetrain (plastic rocker cover, roller rockers) that most aftermarket 4JJ1 cams don't cover.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do these suit the 4JJ3 in the 2020+ D-MAX and BT-50?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The set fits the 4JJ3 as found in the current-generation Isuzu D-MAX, MU-X and Mazda BT-50.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will they fit my 2012–2016 D-MAX?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. Pre-DPF 4JJ1s (aluminium rocker cover, 2005–2016) use the earlier valvetrain and need a different camshaft set. Check your rocker cover and injector codes if unsure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to reuse my factory cam gears?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The factory camshaft gears are transferred from your original camshafts onto the FuseTech camshafts during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a tune after fitting performance camshafts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: ECU tuning is recommended. You'll feel some improvement from the profiles alone, but the set delivers its best results paired with tuning and supporting airflow mods.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will these camshafts fit a 2017–2020 Isuzu D-MAX with the DPF 4JJ1 engine?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. This FuseTech set is designed for the MY17-on 4JJ1-TCX DPF engine (plastic rocker cover, roller rocker valvetrain), which most aftermarket 4JJ1 performance camshafts do not cover.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do these camshafts suit the 4JJ3 in the 2020+ Isuzu D-MAX and Mazda BT-50?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The set fits the 4JJ3 engine found in the current-generation Isuzu D-MAX, Isuzu MU-X and Mazda BT-50.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will these camshafts fit a 2012–2016 D-MAX 4JJ1?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Pre-DPF 4JJ1 engines (aluminium rocker cover, 2005–2016) use the earlier valvetrain and require a different camshaft set.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I reuse my factory camshaft gears?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The factory camshaft gears are transferred from the original camshafts onto the FuseTech performance camshafts during installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need ECU tuning after fitting performance camshafts to a 4JJ1 or 4JJ3?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ECU tuning is recommended. The camshafts provide improvement on their own, but deliver the best results when paired with tuning and supporting airflow modifications.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c!-- GREEN BANNER CTA - FuseTech Theme --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #00c853 0%, #00c853 100%); color: #ffffff; padding: 20px; text-align: center; margin: 20px 0; border-radius: 6px; box-shadow: 0 0 25px rgba(0, 200, 83, 0.6), 0 0 40px rgba(0, 200, 83, 0.4), 0 0 60px rgba(0, 200, 83, 0.2);\"\u003e\n\u003ch2 style=\"margin: 0 0 10px; font-size: 20px; color: #fff; text-shadow: 0 0 10px rgba(0,0,0,0.3);\"\u003e\u003cstrong\u003e⚡ WAKE UP YOUR 4JJ1 \/ 4JJ3\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #fff; text-shadow: 0 0 5px rgba(0,0,0,0.3);\"\u003e\u003cem\u003eFuseTech intake + exhaust performance camshaft set. DPF-era 4JJ1 \u0026amp; 4JJ3 compatible. Professional install \u0026amp; tuning recommended.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 12px; opacity: .8; margin-top: 16px;\"\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Common Rail Cowboys is not affiliated with Isuzu Motors, Mazda Motor Corporation, or Denso Corporation. OE part numbers are shown for cross-reference only. Installation should be performed by a qualified technician. Fitment verification, correct cam timing and proper tuning are the buyer's responsibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FuseTech","offers":[{"title":"Default Title","offer_id":46935361224758,"sku":"4JJ1-DPF-4JJ3-PERF-CAM-SET","price":1809.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/7868\/6518\/files\/rn-image_picker_lib_temp_7072e37e-bc97-426a-a8f1-bbf3559c0335.jpg?v=1784547711","url":"https:\/\/www.commonrailcowboys.com\/en-nz\/products\/4jj1-dpf-4jj3-performance-camshaft-set","provider":"Common Rail Cowboys","version":"1.0","type":"link"}