20 Best Polaris Scrambler 400 Engine Rebuild Kit [2024]

Are you looking for the best Polaris Scrambler 400 Engine Rebuild Kit? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Polaris Scrambler 400 Engine Rebuild Kit.

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1 Tuzliufi Complete Rebuild Head Top Bottom End Engine Gasket Set Kit Compatible with Polaris... Tuzliufi Complete Rebuild Head Top Bottom End Engine Gasket Set Kit Compatible with Polaris...
2 DearChan Water Pump Seals & Gaskets Rebuild Kit Fits For Polaris 350L 2 Stroke 400 & 400L 2 Stroke... DearChan Water Pump Seals & Gaskets Rebuild Kit Fits For Polaris 350L 2 Stroke 400 & 400L 2...
3 REPLACEMENTKITS.COM - Brand Fits Polaris 400 400L Complete Engine Gasket Bearing & Oil Seal Rebuild... REPLACEMENTKITS.COM - Brand Fits Polaris 400 400L Complete Engine Gasket Bearing & Oil Seal...
4 Polaris Scrambler Sport 400 (1994-2002) Carb Carburetor Rebuild Kit Polaris Scrambler Sport 400 (1994-2002) Carb Carburetor Rebuild Kit
5 maXpeedingrods Cylinder Piston Top End Kit 92mm for Polaris Ranger Sportsman Scrambler 500... maXpeedingrods Cylinder Piston Top End Kit 92mm for Polaris Ranger Sportsman Scrambler 500...
6 OEM QUALITY 1999-2002 Polaris Scrambler 400 & 1997-1999 Polaris 400L Sport 4x4 2x4 ATV Carburetor... OEM QUALITY 1999-2002 Polaris Scrambler 400 & 1997-1999 Polaris 400L Sport 4x4 2x4 ATV Carburetor...
7 NICHE Cylinder Piston Gasket Kit for Big Boss Scrambler Sport Xplorer Trail Blazer 400 NICHE Cylinder Piston Gasket Kit for Big Boss Scrambler Sport Xplorer Trail Blazer 400
8 For Polaris Water Pump Rebuild Kit Seal & Bearing & Gaskets For Polaris 350L 400L 400 2 Stroke... For Polaris Water Pump Rebuild Kit Seal & Bearing & Gaskets For Polaris 350L 400L 400 2 Stroke...
9 KIPA Top End Head Gasket Kit For POLARIS 400L Sport 400L Xplorer 400 4X4 Xpress 400 Sportsman 400... KIPA Top End Head Gasket Kit For POLARIS 400L Sport 400L Xplorer 400 4X4 Xpress 400 Sportsman 400...
10 3084940 Polaris Sportsman 500 Thermostat 1996-2013 Compatible with all Sportsman/Ranger 500's and... 3084940 Polaris Sportsman 500 Thermostat 1996-2013 Compatible with all Sportsman/Ranger 500's and...
11 Left Handlebar Bar Switch, Engine Start Run Off Headlight HI LO Off Start Light Switch for Polaris... Left Handlebar Bar Switch, Engine Start Run Off Headlight HI LO Off Start Light Switch for...
12 NICHE Piston Cylinder Top End Kit for 1996-2010 Polaris ATP Big Boss Magnum Ranger Scrambler... NICHE Piston Cylinder Top End Kit for 1996-2010 Polaris ATP Big Boss Magnum Ranger Scrambler...
13 Water Pump Seals Bearing & Gaskets Rebuild Kit for Polaris 350L, 400 & 400L 2 Stroke Engines... Water Pump Seals Bearing & Gaskets Rebuild Kit for Polaris 350L, 400 & 400L 2 Stroke Engines...
14 LivTee 120pcs Retainer Clips Push Type Fasteners 6.3mm 8mm 9mm 10mm Expansion Screws Replacement Kit... LivTee 120pcs Retainer Clips Push Type Fasteners 6.3mm 8mm 9mm 10mm Expansion Screws Replacement...
15 Primary Drive Clutch Puller Remove Tool Compatible with Polaris 1985-2016 RZR Ranger Sportsman... Primary Drive Clutch Puller Remove Tool Compatible with Polaris 1985-2016 RZR Ranger Sportsman...
16 Polaris Scrambler Sportsman Master Cylinder Rebuild Kit Hand Brake - 2202410 Polaris Scrambler Sportsman Master Cylinder Rebuild Kit Hand Brake - 2202410
17 Boyesen SSF014 Superstock Fiber Reed MEDIUM, black Boyesen SSF014 Superstock Fiber Reed MEDIUM, black
18 Karbay 3084837 3084836 3086840 Water Pump Rebuild Kit Seals Compatible with Polaris 400 425 500... Karbay 3084837 3084836 3086840 Water Pump Rebuild Kit Seals Compatible with Polaris 400 425 500...
19 Carburetor Rebuild Kit 1999 Polaris Scrambler 400 4x4 ATV Carburetor Rebuild Kit 1999 Polaris Scrambler 400 4x4 ATV
20 Shopping GD Carburetor Carbon Dirt Jet Cleaner Tool Kit 10 Cleaning Needles with 5 Brushes Shopping GD Carburetor Carbon Dirt Jet Cleaner Tool Kit 10 Cleaning Needles with 5 Brushes
Bestseller No. 1
Tuzliufi Complete Rebuild Head Top Bottom End Engine Gasket Set Kit Compatible with Polaris...
  • You will get what you see in main picture.14 items included.
  • Compatible with: 400L 2X4 4X4 ; Sport 400L
  • Compatible with 400 2X4 4X4;
  • Compatible with: Trail Blazer 400 ; Xplorer 400;
  • Note: This item is a replacement part. Not OEM part. Please make sure the images are the same with what you want. If not, please do not purchase it...
Bestseller No. 2
DearChan Water Pump Seals & Gaskets Rebuild Kit Fits For Polaris 350L 2 Stroke 400 & 400L 2 Stroke...
  • ☛Fitment: DearChan Water Pump Seals & Gaskets Rebuild Kit Fit For Polaris Big Boss/Trail Boss 350L 2 Stroke 1990-1993; For Polaris Sport /Sportsman...
  • ☛Material: This kit is made from high-quality steel and rubber, strong durability , good toughness, rust and corrosion resistance, and provide...
  • ☛Package Content: 1*Gasket replace for OEM Polaris#3086748; 1*Gasket replace OEM Polaris#3084187; 2*Oil Seal replace OEM Polaris#3084184 #3084185;...
  • ☛Function:To rebuild water pump & counter balance shaft, create a strong seal, enhance the performance and service life of your engine.
  • ☛Satisfaction Guarantee — If you're not 100% satisfied with our products, simply return it in 30 days for a full refund, with unconditional refund...
Bestseller No. 3
REPLACEMENTKITS.COM - Brand Fits Polaris 400 400L Complete Engine Gasket Bearing & Oil Seal Rebuild...
  • Featuring KOYO & NTN Bearings
  • Gaskets are made from 205c degree (400F) material for high heat.
  • Premium OEM Quality Seals & Full Gasket rebuild kit.
  • Equivalent to 3084184
  • 100% Satisfaction GUARANTEED
Bestseller No. 4
Polaris Scrambler Sport 400 (1994-2002) Carb Carburetor Rebuild Kit
  • Save money and do it yourself
  • Fix carb issues for good by replacing your old components.
  • Fits the Polaris models listed.
  • Minor tuning may be required.
  • Please Read Full Product Description Below To Check Fitment.
SaleBestseller No. 5
maXpeedingrods Cylinder Piston Top End Kit 92mm for Polaris Ranger Sportsman Scrambler 500...
  • Fitment: This engine top end rebuild kit fits for Polaris Ranger 500 1999-2012/Sportsman 500 1996-2013/Scrambler 500 1997-2012/for-Magnum 500...
  • Fitment: This ho top end kit fits for Polaris Xplorer 500 1997/ATP 500 4X4 2004-2005/Sportsman X2 500 2006-2009/Big Boss 500 1998-2002/Worker 500...
  • Part Number: 3087221, 3087224, 3089966, 3086811, 3086200, 3085074, 3085371, 3085075, 3085655, 3087170, 3085534, 3084890, 3089256, 3090293
  • Size: Cylinder Bore and Stroke 92.00mm x 75.00mm
  • Package Contents: Cylinder, Piston, Piston Rings, Wristpin, Circlips, Chain Tensioner, Head Gasket, Base Gasket, Head Cover Gasket, Chain Tensioner...
Bestseller No. 7
NICHE Cylinder Piston Gasket Kit for Big Boss Scrambler Sport Xplorer Trail Blazer 400
  • Replaces OEM Part Number: Polaris 3086753, 3086757, 3084729, 3084731, 3084148, 3084734, 3084737, 3083838, 3084167, 3084168
  • Compatible with Models: 1997 Big Boss 400L, 1997-2002 Scrambler 400
  • Compatible with Models: 1999-2002 Xplorer 400, 1997-1998 Xplorer 400L, 1997 Xpress 300, 1997 Xpress 400L
  • Compatible with Models: 1998 Sport 400L, 1999 Sport 400
  • Compatible with Models: 1997 Sportsman 400L, 2003 Trail Blazer 400
Bestseller No. 8
For Polaris Water Pump Rebuild Kit Seal & Bearing & Gaskets For Polaris 350L 400L 400 2 Stroke...
  • ➱Application: For 1993-2003 Polaris Big Boss & Trail Boss 350L 2 Stroke 1990-1993, For Polaris Sport & Sportsman & Scrambler & Big Boss & Xpress &...
  • ➱Function: Rebuild your water pump & counter balance shaft, replacing the new bearing, oil seals on the water pump, and new gaskets on...
  • ➱Package includes: 1 Bearing (Replaces OEM part# 3084183), 2 Oil Seals (Replaces OEM part# 3084184 & 3084185), 2 Gasket (Replaces OEM part# 3086748...
  • ➱Superior Material: Made of high-quality rubber and bearing steel, strict specifications make it match with your engine, to increase durability and...
  • ➱Satisfaction Guarantee: You can simply return it if you are not satisfied with the product. We support 30 days full refund for return and a...
Bestseller No. 9
KIPA Top End Head Gasket Kit For POLARIS 400L Sport 400L Xplorer 400 4X4 Xpress 400 Sportsman 400...
  • Top End Head Gasket Kit For POLARIS SCRAMBLER 400 2X4 4X4 1995-2002
  • Top End Head Gasket Kit For POLARIS SPORT 400L 1994–1999
  • Top End Head Gasket Kit For POLARIS SPORTSMAN 400 4X4 1994–1997
  • Top End Head Gasket Kit For POLARIS XPLORER 400 4X4 1995–2001
  • Top End Head Gasket Kit For POLARIS XPRESS 400 1996–1997
Bestseller No. 10
3084940 Polaris Sportsman 500 Thermostat 1996-2013 Compatible with all Sportsman/Ranger 500's and...
  • Fitment: Compatible with all Sportsman/Ranger 500's and all Sportsman 400 4-strokes
  • Replaces part number: Polaris OEM# 3084940, 3090049
  • Durable construction: Made from quality materials to ensure reliable performance and long service life, offers original manufacturer quality at lower...
  • Ideal replacement: This polaris sportsman 500 thermostat helps the engine to maintain the proper temperature. Replacement for lost or damaged polaris...
  • 20 Year Warranty: If have any quality issue, we will issue refund or arrange reshipment within 20 years. Excellent service and superior Thermostat...
Bestseller No. 11
Left Handlebar Bar Switch, Engine Start Run Off Headlight HI LO Off Start Light Switch for Polaris...
  • 🔵 Fitment - Left handlebar switch control engine start run off headlight start push up switch fit for Polaris Diesel Magnum 325 500 Scrambler...
  • 🔵 Replace Part Number - Left start engine run off headlight HI LO Off handlebar start push up switch replace 4010262 4110243 4110248
  • 🔵 Function: Motorcycle switch replace your old or damaged left handlebar switch, include switch start, switch engine ON OFF, switch headlight HI LO...
  • 🔵 Material + Installation - This Handlebar switch made of high quality materials, left handlebar bar control switch will built to long lasting...
  • 🔵 What You Will Get: We offer 2-YEARS service, hassle-free return and money back policy, buy with confidence! If you have any questions about hi lo...
Bestseller No. 12
NICHE Piston Cylinder Top End Kit for 1996-2010 Polaris ATP Big Boss Magnum Ranger Scrambler...
  • Replaces OEM Part Numbers: Polaris 3086811, 3089256, 3085369, 3085526,3085634, 3087170, 3087221, 3085377, 3085530, 3085635, 3085866, 3087224,3085379,...
  • Compatible with Polaris Models: 2004-2005 Polaris ATP 500 4x4 HO, 1998-1999 Polaris Big Boss 500 6x6, 2002 Polaris Magnum 500 2x4, 1999-2003 Polaris...
  • Compatible with Polaris Models: 2006 Polaris Sportsman 500 4x4 Browning HO EFI, 2007 Polaris Sportsman 500 4x4 Deluxe HO EFI, 2001-2002 Polaris...
  • Compatible with Polaris Models: 2001 Polaris Sportsman 500 4x4 RSE HO, 2000-2008 Polaris Sportsman 500 6x6, 2008-2010 Polaris Sportsman 500 Touring...
  • Includes Cylinder with bore and stroke 92.00mm x 75.00mm, Piston, Piston Rings, Wristpin and Circlips (2) and Chain Tensioner, Head Gasket, Base...
Bestseller No. 13
Water Pump Seals Bearing & Gaskets Rebuild Kit for Polaris 350L, 400 & 400L 2 Stroke Engines...
  • 「Application」 For Polaris Big Boss/Trail Boss 350L 2 Stroke 1990-1993 ; For Polatis Sport /Sportsman / Scrambler/Big Boss/ Xpress/Trail Blazer 400...
  • 「Function」To rebuild your water pump & counter balance shaft, replacing new bearing, oil seals on water pump and new gaskets on Counterbalance...
  • 「Includes」 1* Bearing (Replaces OEM part# 3084183), 2* Oil Seals (Replaces OEM part# 3084184 & 3084185), 2* Gasket (Replaces OEM part# 3086748 &...
  • 「Material」 Made of high quality rubber and carbon steel, strictly specification make it match with your engine, featurs are no deformation,...
  • 「Satisfaction Guarantee」 If you're not 100% satisfied with this water pump seal & gasket kit , simply return it for a full refund in 30 days,...
SaleBestseller No. 14
LivTee 120pcs Retainer Clips Push Type Fasteners 6.3mm 8mm 9mm 10mm Expansion Screws Replacement Kit...
  • 4 Hole sizes from 6.3mm(1/4"), 8mm(5/16" ), 9mm(23/64" ), 10mm(25/64" ). Six kinds of different push pin rivet for many brand vehicles.
  • High-quality nylon material: These car clips are made of high-quality black nylon material, which has anti-wear and anti-corrosion effects. This...
  • Wide range of applications: Push-in cage kits, with 12 common sizes, widely used in automotive panels, decorative panel clips, door trim clips, door...
  • Easy to install: The product is equipped with a screwdriver, easy to operate, easy to install and remove. Small size, easy to store or carry around.
  • BUY WITH CONFIDENCE: Any other problem please feel free to contact us, we are always here to satisfy all of you.
Bestseller No. 15
Primary Drive Clutch Puller Remove Tool Compatible with Polaris 1985-2016 RZR Ranger Sportsman...
  • 【Compatible with 】:most of Polaris Models 1985-2016 replacement 2870506
  • 【Material】:Manufactured from the highest quality steel and heat treated for superior strength. Strong and durable
  • 【Size】:Precise machining for accuracy, 3/4" - 16 thread,10-1/2" long.
  • 【Features】:The clutch tool perfect fit and releases the primary clutch based on thread design.it can reduce the risk damaging the threads.
  • 【Package included】:1pcs Clutch Puller Remove Tool. 【100% Satisfaction service】--If you're not 100% satisfied with our PRODUCTS, simply...
Bestseller No. 16
Polaris Scrambler Sportsman Master Cylinder Rebuild Kit Hand Brake - 2202410
  • Polaris Sportsman Hand Brake Rebuild Kit
  • Sold as a Kit
  • Works on the Polaris Sportsman ATV's listed.
  • Includes piston and o-rings.
SaleBestseller No. 17
Boyesen SSF014 Superstock Fiber Reed MEDIUM, black
  • Fits: KDX200/220 all, Polaris ATV 2-stroke
  • Boyesen’s Superstock Reed is purpose-built to offer superior airflow, and reactivity to throttle inputs while at the same time offering excellent...
  • With tensions that match OEM specifications, the Superstock Series is the first step to achieving an improved air intake system
  • Superstock Reeds feature category-leading toughening additives to increase reed petal lifespan by resisting breakdown from damaging agents found in...
  • Superstock Reeds last longer and cost less than any stock or aftermarket replacement reed petal on the market
Bestseller No. 18
Karbay 3084837 3084836 3086840 Water Pump Rebuild Kit Seals Compatible with Polaris 400 425 500...
  • Part Number: 3084837, 3084836, 3086840
  • Fits the following Polaris models: Sportsman 500 engines from 1996-2013;All Magnum 500 from 1999-2003;All Scrambler 500 from 1997-2012
  • Replaces 3084836 Oil Seal 3084837, Replaces Mechanical Seal
  • 1 x Mechanical Seal, 1 x Oil Seal Replaces for Polaris 3084836 3084837
Bestseller No. 19
Carburetor Rebuild Kit 1999 Polaris Scrambler 400 4x4 ATV
  • Fits: 1999 Polaris Scrambler 400 4x4 ATV
  • Carburetor Rebuild Kit
  • Carburetor Rebuild Kit
SaleBestseller No. 20
Shopping GD Carburetor Carbon Dirt Jet Cleaner Tool Kit 10 Cleaning Needles with 5 Brushes
  • One Set 4 Inch :10 Cleaning Needles 5 Cleaning Brushes.
  • High Density Nylon, Good Elasticity, No Hair.
  • Stainless Steel Wire Winding, Rust, Flexible Handle, No deformation.

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  2. Features: What bells and whistles matter for an Polaris Scrambler 400 Engine Rebuild Kit?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Polaris Scrambler 400 Engine Rebuild Kit.
  5. Customer Ratings: Number ratings grade Polaris Scrambler 400 Engine Rebuild Kit objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Polaris Scrambler 400 Engine Rebuild Kit.
  7. Product Quality: You don’t always get what you pay for with an Polaris Scrambler 400 Engine Rebuild Kit, sometimes less, and sometimes more.
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FAQ:

Q: How much power does a 400 scrambler engine make?

A: Large improvements in power are possible with the 400 Scrambler engine. Below you will find both direct bolt-on stages, as well as porting and our 400 Big Bore kit. Stock: The stock 400 Scrambler engine has a wide powerband with a peak of 38 HP at 5750 RPM.

Q: Are there any direct bolt-on stages for the 400 scrambler?

A: Below you will find both direct bolt-on stages, as well as porting and our 400 Big Bore kit. Stock: The stock 400 Scrambler engine has a wide powerband with a peak of 38 HP at 5750 RPM. Torquer Pipe: Our Torquer Pipe has a wide powerband with strong bottom end performance and maximum power of 43 HP at 6250 RPM.

Q: What’s in a 440 big bore kit?

A: Stage 4: 440 Big Bore Kit has an 87 mm piston and trail porting. Combined with 42 mm TMX carbs, V-Force reeds and top end pipe and you have 63 HP available, with a large improvement in torque through the powerband. Stage 5: 440 Big Bore Kit with Race Porting. 14:1 Maxi Flow Head, Monster Reed cage, 44mm Carb and Top End Race Pipe.