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Mammoth Performance Parts is a Jacksonville, Florida-based specialty manufacturer and online retailer of heavy-duty silicone radiator hoses, intercooler boot kits, coolant hose kits, and diesel performance parts — engineered specifically for Ford Powerstroke, Dodge Ram Cummins, and Chevy/GMC Duramax diesel trucks. Every product is built from high-grade, heat-resistant silicone and backed by a lifetime warranty, with free U.S. delivery on all orders. Use the latest Mammoth Performance Parts coupon codes on this page to save on your next order.
Mammoth Performance Parts (mammothparts.com) is a diesel truck performance parts company based in Jacksonville, Florida — specializing in the design, manufacturing, and direct-to-consumer distribution of premium silicone radiator hoses, intercooler boot kits, coolant hose kits, intercooler pipe kits, heater hoses, and silicone tubing engineered for the most popular heavy-duty diesel truck platforms in the United States. Founded by vehicle enthusiasts for vehicle enthusiasts, Mammoth Performance Parts was built with one core principle: diesel truck owners deserve performance-grade silicone hose upgrades that outlast stock OEM rubber components — backed by a genuine lifetime warranty and sold at competitive prices with free U.S. delivery. The company serves diesel truck owners nationwide, from daily drivers and towing rigs to built performance trucks, offering a focused catalog of high-quality hose and boot products that directly address one of the most common and costly diesel truck failure points: deteriorating OEM coolant and intercooler hoses. Mammoth Performance Parts operates exclusively online at mammothparts.com, with customer support available at support@mammothparts.com. What Mammoth Performance Parts Offers Intercooler Boot Kits — Bestselling Product Line Mammoth Performance's flagship product category — heavy-duty silicone intercooler boot kits engineered as direct OEM replacements for the three most popular diesel truck platforms. Each kit replaces the factory rubber intercooler boots that weaken over time, crack, and blow off under turbo boost pressure — causing significant loss of power, increased exhaust smoke, and potential engine damage if left unaddressed. Bestselling intercooler boot kits include: — Dodge Ram Cummins 6.7L (2013–2018) — direct-fit intercooler boot kit for one of the most popular modern Cummins platforms. — Dodge Ram Cummins 6.7L (2019–2025) — upgraded heavy-duty kit for the current-generation Ram 2500/3500, engineered for maximum airflow and turbo boost retention. — Dodge Ram Cummins 5.9L (1994–2002) — intercooler boot kit for the legendary 12-valve and 24-valve 5.9L Cummins. — Dodge Ram Cummins 5.9L (2003–2007) — kit for the third-generation common-rail 5.9L Cummins. — Ford F-250/F-350 7.3L Powerstroke (1999.5–2003) — silicone intercooler boot kit for one of the most beloved and reliable diesel engines ever produced. — Ford F-250/F-350 6.4L Powerstroke (2008–2010) — high-temp 5-ply silicone boot and clamp kit for the twin-turbo 6.4L Powerstroke. — Ford F-250/F-350 6.0L Powerstroke — boot kit for the 6.0L Powerstroke, an engine with a well-documented history of intercooler hose issues. — Chevy/GMC 2500/3500 6.6L Duramax (2006–2010) — direct-fit intercooler boot kit for LBZ and LMM Duramax trucks. Silicone Radiator Hose & Coolant Hose Kits Complete silicone radiator and coolant hose kits designed as full OEM replacement sets for diesel truck cooling systems. Featured kits include: — Dodge Ram Cummins 5.9L (1994–1997) — full silicone radiator hose and intercooler boot kit — $271.98. — Dodge Ram Cummins 5.9L (1998–2002) — complete kit — $255.98. — Dodge Ram Cummins 5.9L (2003–2007) — complete kit — $263.98. — Ford 6.4L Powerstroke F-250/F-350 (2008–2010) — heavy-duty silicone coolant hose kit. These kits replace the entire factory rubber cooling hose system with high-grade silicone — eliminating the risk of collapse, cracking, or heat-related failure that plagues aging OEM rubber hoses on high-mileage diesel trucks. Intercooler Pipe Kits Upgraded intercooler charge pipe kits for GM/Chevy Duramax diesel trucks — including the 3-inch intercooler pipe and silicone boot kit for the 2002–2004 GM Chevy 6.6L Duramax LB7 ($199.99, available in Black, Blue, and Red). Intercooler pipe upgrades improve airflow efficiency, reduce pressure drop between the turbocharger and intake manifold, and eliminate the weak points in the OEM plastic charge pipe system. Silicone Tubing (Sold Per Foot) Bulk silicone hose sold by the foot for custom builds, repairs, and specialty applications. Available in multiple inside diameters: 3/8 inch (9.5mm), 1/2 inch (13mm), 5/8 inch (16mm), 3/4 inch (19mm), and 1 inch (25mm) — in Black, Blue, and Red. Pricing starts at $4.99 per foot, making this an affordable and flexible option for custom cooling system fabrication. Silicone Heater Hose (Sold Per Foot) Heavy-duty reinforced silicone heater hose sold by the foot — available in the same diameter range as the silicone tubing line (3/8 inch through 3/4 inch) in Black, Blue, and Red. Pricing from $4.99 per foot. Silicone heater hoses resist collapse, cracking, and heat degradation far better than OEM rubber equivalents. What Makes Mammoth Performance Parts Silicone Hoses Superior Mammoth Performance Parts products are manufactured from high-grade silicone engineered to withstand sustained temperatures up to 350°F — well above the operating range of any diesel truck cooling or intercooler system. Key technical advantages over OEM rubber hoses include: — Heat resistance — rated to 350°F continuous operating temperature, with short-term tolerance above that threshold. — Chemical resistance — silicone is inherently resistant to coolant, diesel fuel vapors, oil, and other engine bay fluids that degrade rubber over time. — Reinforced fiber construction — heat-resistant embedded fibers provide superior pressure tolerance and burst resistance, critical for intercooler applications operating under turbo boost. — Flexibility — silicone remains pliable across a wide temperature range, making installation easier in tight engine compartments and preventing the hose cracking common in aged rubber. — Improved airflow — smoother interior bore and consistent wall thickness improve airflow compared to collapsed or deteriorated OEM rubber hoses. — Direct OEM fit — all Mammoth Performance kits are engineered as direct drop-in replacements for factory hose routing, requiring no custom fabrication. — Color options — most products are available in Black, Blue, and Red to match engine bay aesthetics or personal preference. — Lifetime Warranty — every Mammoth Performance Parts product is backed by a lifetime warranty — a guarantee of confidence in material and manufacturing quality that few competitors offer at this price point. Vehicle Compatibility — Supported Platforms Mammoth Performance Parts products are engineered specifically for the three dominant heavy-duty diesel truck platforms in the U.S. market: — Dodge Ram Cummins — 5.9L (12-valve B-series, 24-valve ISB, common-rail) covering 1994–2007, and 6.7L ISB covering 2007.5–2025 in 2500 and 3500 configurations. — Ford Powerstroke — 7.3L IDI/Power Stroke (1999.5–2003), 6.0L Power Stroke, and 6.4L Power Stroke (2008–2010) in F-250 and F-350 Super Duty configurations. — Chevy/GMC Duramax — 6.6L LB7 (2002–2004), LBZ/LMM (2006–2010) in 2500/3500 HD configurations. Who Is Mammoth Performance Parts For? Diesel truck owners experiencing boost leaks or hose failures — cracked, split, or blown-off intercooler boots and collapsed coolant hoses are among the most common and frustrating diesel truck problems. Mammoth Performance Parts provides a direct, affordable, and permanent solution backed by a lifetime warranty. Preventive maintenance buyers — experienced diesel truck owners know that replacing aging OEM rubber hoses with silicone before they fail is far less expensive than dealing with a turbo boost leak, overheating event, or towing breakdown. Mammoth Performance Parts products are the smart preventive upgrade for any high-mileage Cummins, Powerstroke, or Duramax. Truck builders and performance enthusiasts — the colored silicone options (Blue and Red) and the intercooler pipe kits cater to builders who want functional upgrades that also improve under-hood aesthetics. The bulk silicone tubing and heater hose products serve custom fabrication projects. DIY mechanics — Mammoth Performance Parts kits are engineered as direct OEM drop-in replacements with all necessary hardware included, making them accessible to capable home mechanics without requiring professional installation. Fleet owners and commercial operators — trucks that work hard need parts that last. The lifetime warranty and proven durability of Mammoth Performance silicone hoses make them an ideal choice for work trucks, fleet vehicles, and owner-operators who cannot afford unexpected downtime. Why We Recommend Mammoth Performance Parts Mammoth Performance Parts occupies a clear and valuable niche in the diesel truck aftermarket: premium silicone hose and boot kits for the three most popular diesel platforms in the U.S., sold direct with free U.S. delivery, backed by a lifetime warranty, and priced competitively against both OEM replacements and generic aftermarket alternatives. For any Cummins, Powerstroke, or Duramax owner dealing with boost leaks, coolant hose deterioration, or intercooler boot failures — or anyone looking to upgrade proactively before failure occurs — Mammoth Performance Parts is one of the most straightforward and trusted solutions available online. Use the latest coupon codes on this page to get the best deal on your next order. |
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Step 1 — Browse the latest Mammoth Performance Parts coupon codes and deals listed on this page and click the offer that best matches your purchase. Step 2 — You'll be redirected to mammothparts.com. Use the navigation to find the correct intercooler boot kit, radiator hose kit, coolant hose kit, or silicone tubing for your specific truck make, model, and engine year — and add your item(s) to the cart. Step 3 — When ready to purchase, click the cart icon and review your order, then proceed to "Check Out". Step 4 — On the checkout page, locate the "Discount code" or "Coupon code" field in the order summary section. Step 5 — Type or paste your Mammoth Performance Parts promo code into the field and click "Apply". The discount will be applied to your order total immediately. Step 6 — Complete your purchase by entering your shipping address and payment details. All U.S. orders ship with free delivery, and you'll receive a confirmation email once your order is placed. Tip: When shopping for intercooler boot kits or hose kits, always verify your truck's exact model year and engine code before ordering — Mammoth Performance Parts kits are year- and engine-specific. If you're unsure which kit fits your truck, contact support at support@mammothparts.com before placing your order to ensure you receive the correct part. |
Q: What does Mammoth Performance Parts specialize in? A: Mammoth Performance Parts specializes in heavy-duty silicone intercooler boot kits, silicone radiator and coolant hose kits, intercooler pipe kits, silicone heater hose, and bulk silicone tubing — engineered specifically for Dodge Ram Cummins, Ford F-250/F-350 Powerstroke, and Chevy/GMC Duramax diesel trucks.
Q: What is the best Mammoth Performance Parts coupon code right now? A: The latest verified Mammoth Performance Parts promo codes are listed at the top of this page and updated regularly. Check back before every purchase to ensure you're using the most current discount available.
Q: Does Mammoth Performance Parts offer a warranty? A: Yes. Every Mammoth Performance Parts product is backed by a lifetime warranty — covering materials and manufacturing defects for the life of the product. This is one of the strongest warranty commitments in the diesel truck aftermarket parts segment.
Q: Does Mammoth Performance Parts offer free shipping? A: Yes. Mammoth Performance Parts offers free U.S. delivery on all orders — no minimum order amount required. All domestic orders ship free, regardless of cart size.
Q: Which diesel truck platforms does Mammoth Performance Parts support? A: Mammoth Performance Parts manufactures products for three core diesel platforms: Dodge Ram Cummins (5.9L covering 1994–2007 and 6.7L covering 2007.5–2025), Ford F-250/F-350 Powerstroke (7.3L, 6.0L, and 6.4L), and Chevy/GMC 2500/3500 Duramax (6.6L LB7, LBZ, and LMM). Check the product listings on mammothparts.com for year-specific fitment details.
Q: Why should I upgrade to silicone hoses instead of replacing with OEM rubber? A: Mammoth Performance Parts silicone hoses are rated to 350°F, are reinforced with heat-resistant embedded fibers for superior pressure tolerance, resist chemical degradation from coolant and engine fluids, remain flexible across a wide temperature range, and carry a lifetime warranty. OEM rubber hoses degrade over time — cracking, collapsing, and eventually failing — especially under the heat and boost pressures of turbocharged diesel engines. Silicone is the permanent solution.
Q: Why does my diesel truck's intercooler boot matter? A: The intercooler boot connects the turbocharger to the intercooler and delivers compressed charge air to the engine. When OEM rubber boots crack, split, or blow off — which is common on high-mileage diesel trucks — the result is a boost leak that causes significant power loss, increased exhaust smoke, excessive turbo spool time, and potential engine damage if unaddressed. Replacing with a heavy-duty silicone boot kit from Mammoth Performance eliminates this failure point permanently.
Q: Are Mammoth Performance Parts kits a direct OEM replacement? A: Yes. All Mammoth Performance Parts intercooler boot kits and coolant hose kits are engineered as direct drop-in OEM replacements — designed to fit exactly in place of factory hoses with no custom fabrication or modification required. All necessary hardware is included with each kit.
Q: What color options are available? A: Most Mammoth Performance Parts products — including intercooler boot kits, silicone tubing, and heater hose — are available in Black, Blue, and Red, allowing customers to match their engine bay aesthetics or personal preference.
Q: How do I contact Mammoth Performance Parts customer support? A: Mammoth Performance Parts customer support can be reached via email at support@mammothparts.com. The team is responsive and can assist with fitment questions, order inquiries, and warranty claims.
