Regulators

Engines.Parts Genuine Regulators - Expert Voltage Control Solutions

Maintain optimal engine performance with our genuine Regulators designed specifically for Kawasaki, Honda, Briggs & Stratton, and Kohler small engines. Our regulators ensure consistent voltage output, protecting your engine’s electrical system and enhancing reliability.

Regulators for Reliable Voltage Regulation & Small Engine Efficiency

Choose from a variety of voltage regulators, regulator rectifiers, and electronic regulators that guarantee smooth power management for your small engine. Every part is precision-crafted to meet OEM standards and improve your engine’s lifespan.

  • Genuine OEM Quality: Direct replacements that maintain original engine performance and safety.
  • Broad Compatibility: Compatible with popular brands like Kawasaki, Honda, Briggs & Stratton, and Kohler engines.
  • Durability & Precision: Engineered to resist heat and vibration for long-lasting voltage regulation.

Why Choose Our Regulators?

We offer authentic parts backed by expert knowledge, fast shipping, and dedicated support, ensuring your small engine runs smoothly and reliably every time.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 31750-Z2E-803 - Regulator/Rectifier (20a) - Honda Original Part - Image 1

    31750-Z2E-803 - Regulator/Rectifier (20A) - Honda Genuine OEM Part

    Honda Engines

    $176.07
    $163.22
    31750-Z2E-803 - Regulator/Rectifier (20A) - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $176.07
    $163.22
    Qty in Cart: 0
    Quantity:
    Price:
    $176.07
    $163.22
    Subtotal:
  • 31750-Z2E-013 - Rectifier Assembly Regulator - Honda Original Part

    31750-Z2E-013 - Rectifier Assembly Regulator - Honda Genuine OEM Part

    Honda Engines

    $112.12
    $103.93
    31750-Z2E-013 - Rectifier Assembly Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $112.12
    $103.93
    Qty in Cart: 0
    Quantity:
    Price:
    $112.12
    $103.93
    Subtotal:
  • 31750-Z0A-841 - Regulator Rectifier - Honda Original Part

    31750-Z0A-841 - Regulator Rectifier - Honda Genuine OEM Part

    Honda Engines

    $141.76
    $131.41
    31750-Z0A-841 - Regulator Rectifier - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $141.76
    $131.41
    Qty in Cart: 0
    Quantity:
    Price:
    $141.76
    $131.41
    Subtotal:
  • 31750-Z0A-811 - Rectifier Regulator - Honda Original Part - Image 1

    31750-Z0A-811 - Rectifier Regulator - Honda Genuine OEM Part

    Honda Engines

    $111.96
    $103.79
    31750-Z0A-811 - Rectifier Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $111.96
    $103.79
    Qty in Cart: 0
    Quantity:
    Price:
    $111.96
    $103.79
    Subtotal:
  • 31750-Z0A-801 - Rectifier Regulator - Honda Original Part - Image 1

    31750-Z0A-801 Rectifier Regulator - Honda Genuine OEM Part

    Honda Engines

    $155.94
    $144.55
    31750-Z0A-801 Rectifier Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $155.94
    $144.55
    Qty in Cart: 0
    Quantity:
    Price:
    $155.94
    $144.55
    Subtotal:
  • 31750-769-751 - Rectifier Regulator - Honda Original Part

    31750-769-751 - Rectifier Regulator - Honda Genuine OEM Part

    Honda Engines

    $181.97
    $168.69
    31750-769-751 - Rectifier Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $181.97
    $168.69
    Qty in Cart: 0
    Quantity:
    Price:
    $181.97
    $168.69
    Subtotal:
  • 31750-735-013 - Rectifier Regulator (5a) - Honda Original Part - Image 1

    31750-735-013 Rectifier Regulator - Honda Genuine OEM Part

    Honda Engines

    $37.72
    $34.97
    31750-735-013 Rectifier Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $37.72
    $34.97
    Qty in Cart: 0
    Quantity:
    Price:
    $37.72
    $34.97
    Subtotal:
  • 31700-ZS4-003 - Regulator Assy - Honda Original Part - Image 1

    31700-ZS4-003 - Regulator Assembly - Honda Genuine OEM Part

    Honda Engines

    $290.00
    $268.83
    31700-ZS4-003 - Regulator Assembly - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $290.00
    $268.83
    Qty in Cart: 0
    Quantity:
    Price:
    $290.00
    $268.83
    Subtotal:
  • 31620-881-A02 - Rectifier Assembly Regulator - Honda Original Part

    31620-881-A02 - Rectifier Assembly Regulator - Honda Genuine OEM Part

    Honda Engines

    $207.49
    $192.35
    31620-881-A02 - Rectifier Assembly Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $207.49
    $192.35
    Qty in Cart: 0
    Quantity:
    Price:
    $207.49
    $192.35
    Subtotal:
  • 31620-762-003 - Rectifier Comp Regulator - Honda Original Part

    31620-762-003 - Rectifier Comp Regulator - Honda Genuine OEM Part

    Honda Engines

    $223.46
    $207.15
    31620-762-003 - Rectifier Comp Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $223.46
    $207.15
    Qty in Cart: 0
    Quantity:
    Price:
    $223.46
    $207.15
    Subtotal:
  • 31600-ZE2-861 - 12V Regulator Rectifier/Sh586-12 4.5 - Honda Original Part

    31600-ZE2-861 - 12V Regulator Rectifier/Sh586-12 4.5 - Honda Genuine OEM Part

    Honda Engines

    $223.15
    $206.86
    31600-ZE2-861 - 12V Regulator Rectifier/Sh586-12 4.5 - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $223.15
    $206.86
    Qty in Cart: 0
    Quantity:
    Price:
    $223.15
    $206.86
    Subtotal:
  • 31600-KE1-010 - Rectifier Regulator - Honda Original Part - Image 1

    31600-KE1-010 - Rectifier Regulator - Honda Genuine OEM Part

    Honda Engines

    $148.84
    $137.98
    31600-KE1-010 - Rectifier Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $148.84
    $137.98
    Qty in Cart: 0
    Quantity:
    Price:
    $148.84
    $137.98
    Subtotal:
  • 31600-890-951 - Rectifier Assy Regulator - Honda Original Part - Image 1

    31600-890-951 - Rectifier Assembly Regulator - Honda Genuine OEM Part

    Honda Engines

    $184.58
    $171.11
    31600-890-951 - Rectifier Assembly Regulator - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $184.58
    $171.11
    Qty in Cart: 0
    Quantity:
    Price:
    $184.58
    $171.11
    Subtotal:
  • 17 403 14-S - Regulator 18 Amp - Kohler Original Part - Image 1

    17 403 14-S - Regulator; 18 Amp - Kohler Original Part

    Kohler Engines

    $174.72
    $157.24
    Power your engine’s heart with precision control Maintains consistent voltage for flawless engine operation Engineered for long-lasting durability and dependable performance 100% Genuine Kohler OEM part to guarantee perfect fit and function KOH 17 403...
    $174.72
    $157.24
    Qty in Cart: 0
    Quantity:
    Price:
    $174.72
    $157.24
    Subtotal:
  • ED0073624090-S - Voltage Regulator 40A - Kohler-image1

    ED0073624090-S - Voltage Regulator 40A - Kohler Original Part

    Kohler Engines

    $280.59
    $252.53
    Engineered for Peak Performance and Enduring Reliability Precision 40A Voltage Regulation for Stable Electrical Output Compatible OEM Part Guaranteed by Kohler for Perfect Fit Crafted by Kohler Engines, Genuine OEM to safeguard your equipment’s...
    $280.59
    $252.53
    Qty in Cart: 0
    Quantity:
    Price:
    $280.59
    $252.53
    Subtotal:
  • 25 403 44-S - Rectifier/Regulator (3-Phase - Kohler Original Part - Image 1

    25 403 44-S - Rectifier/Regulator (3-Phase; - Kohler Original Part

    Kohler Engines

    $348.58
    $313.72
    Precision Engineered Voltage Control: Maintains optimal electrical regulation for seamless engine performance. Durability That Lasts: Built to Kohler’s stringent OEM standards, ensuring extended service intervals and reliability. Genuine Kohler OEM...
    $348.58
    $313.72
    Qty in Cart: 0
    Quantity:
    Price:
    $348.58
    $313.72
    Subtotal:
  • 25 403 43-S - Regulator (Efi) Rectifier (20- - Kohler Original Part

    25 403 43-S - Regulator (Efi) Rectifier (20- - Kohler Original Part

    Kohler Engines

    $49.37
    $44.43
    Unleash authentic performance with Kohler precision engineering. Seamlessly stabilizes electrical currents for efficient engine function. Ensures reliable voltage regulation to protect your engine’s electronic fuel injection system. 100% genuine OEM...
    $49.37
    $44.43
    Qty in Cart: 0
    Quantity:
    Price:
    $49.37
    $44.43
    Subtotal:
  • 25 403 42-S - Rectifier/Regulator(3-Phase;60 - Kohler Original Part

    25 403 42-S - Rectifier/Regulator(3-Phase;60 - Kohler Original Part

    Kohler Engines

    $326.99
    $294.29
    Precision engineered for dependable power management. Ensures stable voltage regulation for engine protection. Durable rectifier technology prolongs component lifespan. 100% genuine Kohler OEM part guaranteeing perfect compatibility. KOH 25 403 42-S...
    $326.99
    $294.29
    Qty in Cart: 0
    Quantity:
    Price:
    $326.99
    $294.29
    Subtotal:
  • 25 403 41-S - Rectifier/ Regulator (3-Phase; - Kohler Original Part

    25 403 41-S - Rectifier/ Regulator (3-Phase; - Kohler Original Part

    Kohler Engines

    $354.14
    $318.72
    Engineered to empower your Kohler equipment with unwavering electrical stability. Delivers precise voltage regulation to safeguard your engine’s critical systems. Manufactured as a 100% genuine OEM part, guaranteeing flawless fit and lasting durability...
    $354.14
    $318.72
    Qty in Cart: 0
    Quantity:
    Price:
    $354.14
    $318.72
    Subtotal:
  • 17 403 15-S - Regulator Assembly - Kohler Original Part - Image 1

    17 403 15-S - Regulator Assembly - Kohler Original Part

    Kohler Engines

    $319.09
    $287.18
    Engineered for excellence, designed to deliver power you can trust. Precision-regulated voltage for consistent engine performance under all conditions. Durable construction ensures long-lasting engine protection and fuel efficiency. 100% genuine Kohler...
    $319.09
    $287.18
    Qty in Cart: 0
    Quantity:
    Price:
    $319.09
    $287.18
    Subtotal:
  • 17 403 12-S - Rectifier Regulator 1/2 Wave - Kohler Original Part - Image 1

    17 403 12-S - Rectifier Regulator; 1/2 Wave; - Kohler Original Part

    Kohler Engines

    $50.14
    $45.12
    Engineered to maintain flawless electrical regulation for sustained engine power Designed to deliver long-lasting reliability even under rigorous environmental conditions 100% genuine Kohler OEM part ensuring precise fit and factory-grade quality KOH...
    $50.14
    $45.12
    Qty in Cart: 0
    Quantity:
    Price:
    $50.14
    $45.12
    Subtotal:
  • B-258810 - Pcb Assembly Volt. Regulator - Kohler Original Part - Image 1

    B-258810 - Pcb Assembly, Volt Regulator, - Kohler Original Part

    Kohler Engines

    $1,171.19
    $1,054.07
    Precision engineered for dependable voltage regulation during engine operation Ensures consistent electrical output to protect vital engine components 100% genuine Kohler OEM part designed to exact factory specifications KOH B-258810 Pcb Assembly, Volt...
    $1,171.19
    $1,054.07
    Qty in Cart: 0
    Quantity:
    Price:
    $1,171.19
    $1,054.07
    Subtotal:
  • 25 403 40-S - Regulator Assembly - Kohler Original Part - Image 1

    25 403 40-S - Regulator Assembly - Kohler Original Part

    Kohler Engines

    $395.24
    $355.71
    Engineered for enduring power and precision Accurately regulates voltage for consistent engine performance Designed to enhance engine longevity and efficiency 100% genuine Kohler OEM for perfect fitment and dependable quality 25 403 40-S Regulator...
    $395.24
    $355.71
    Qty in Cart: 0
    Quantity:
    Price:
    $395.24
    $355.71
    Subtotal:
  • ED7362-232-S - V.Regulat - Kohler Original Part - Image 1

    ED7362-232-S - V Regulat - Kohler Original Part

    Kohler Engines

    $88.19
    $79.38
    Precision engineered for unmatched Kohler power and reliability Delivers consistent voltage regulation for peak engine performance Enhances engine longevity by protecting electrical components 100% genuine Kohler OEM, ensuring perfect fit and...
    $88.19
    $79.38
    Qty in Cart: 0
    Quantity:
    Price:
    $88.19
    $79.38
    Subtotal:
  • ED7362-199-S - V.Regulat - Kohler Original Part - Image 1

    ED7362-199-S - V Regulat - Kohler Original Part

    Kohler Engines

    $128.46
    $115.61
    Precision engineered to empower your engine’s peak performance. Ensures consistent voltage control for reliable engine operation. Durable construction crafted to withstand demanding conditions. 100% genuine Kohler OEM component, designed for perfect...
    $128.46
    $115.61
    Qty in Cart: 0
    Quantity:
    Price:
    $128.46
    $115.61
    Subtotal:
  • ED0088050900-S - Supporto/Support S - Kohler-image1

    ED0088050900-S - Complete Regulator Element Sup - Kohler Original Part

    Kohler Engines

    $99.25
    $89.32
    Precision engineered for enduring engine excellence Delivers consistent voltage regulation to safeguard your Kohler engine Enhances engine reliability by preventing electrical irregularities 100% genuine OEM part designed specifically for Kohler...
    $99.25
    $89.32
    Qty in Cart: 0
    Quantity:
    Price:
    $99.25
    $89.32
    Subtotal:
  • ED0073624070-S - Voltage Regulator 12 Volts 30 Amp - Kohler-image1

    ED0073624070-S - Voltage Regulator 12V-30A - Kohler Original Part

    Kohler Engines

    $148.85
    $133.96
    Precision-engineered for consistent power and lasting reliability. Maintains optimal voltage control to safeguard your Kohler engine’s electrical system. Durable design ensures extended service intervals and dependable operation. 100% genuine Kohler OEM...
    $148.85
    $133.96
    Qty in Cart: 0
    Quantity:
    Price:
    $148.85
    $133.96
    Subtotal:
  • ED0073624050-S - Voltage Regulator 24v20a+W - Kohler Original Part - Image 1

    ED0073624050-S - Voltage Regulator 24V20A+W - Kohler Original Part

    Kohler Engines

    $186.49
    $167.84
    Power your Kohler engine with uncompromising precision and durability. Advanced voltage regulation delivering consistent 24V and 20A output for reliable engine performance. Protect your investment with a high-quality OEM component designed specifically...
    $186.49
    $167.84
    Qty in Cart: 0
    Quantity:
    Price:
    $186.49
    $167.84
    Subtotal:
  • ED0073624030-S - Voltage Regulator 24v20a+W - Kohler Original Part - Image 1

    ED0073624030-S - Voltage Regulator 24V20A+W - Kohler Original Part

    Kohler Engines

    $234.39
    $210.95
    Power your engine with precision and confidence Reliable 24V 20A+W regulation ensures stable voltage output to protect your Kohler engine’s electrical system Durable design built for extended service life under demanding conditions 100% Genuine Kohler...
    $234.39
    $210.95
    Qty in Cart: 0
    Quantity:
    Price:
    $234.39
    $210.95
    Subtotal:
  • ED0073623920-S - Regulator 12v With W Connectio - Kohler-image1

    ED0073623920-S - Regulator 12 With W - Kohler Original Part

    Kohler Engines

    $160.84
    $144.75
    Precision engineered for unwavering power delivery Advanced voltage regulation to protect your engine's electrical system Manufactured and tested to meet Kohler's strict OEM standards 100% genuine Kohler OEM component for perfect fit and lasting...
    $160.84
    $144.75
    Qty in Cart: 0
    Quantity:
    Price:
    $160.84
    $144.75
    Subtotal:
  • ED0073623790-S - Regulator - Kohler Original Part - Image 1

    ED0073623790-S - Regulator - Kohler Original Part

    Kohler Engines

    $179.63
    $161.66
    Engineered for enduring power and precision control Ensures stable voltage regulation for consistent engine performance Built to extend engine life and reduce maintenance intervals 100% genuine Kohler OEM component designed to fit...
    $179.63
    $161.66
    Qty in Cart: 0
    Quantity:
    Price:
    $179.63
    $161.66
    Subtotal:
  • ED0073623780-S - Aetsa Regul. 24v-26a Ref.238 - Kohler Original Part - Image 1

    ED0073623780-S - Aetsa Regulator 24V-26A Ref.238 - Kohler Original Part

    Kohler Engines

    $229.28
    $206.35
    Engineered for superior voltage regulation to safeguard engine electronics Designed to deliver consistent 24V-26A output for reliable performance 100% genuine Kohler OEM part ensuring exact fit and factory specifications ED0073623780-S Regulator...
    $229.28
    $206.35
    Qty in Cart: 0
    Quantity:
    Price:
    $229.28
    $206.35
    Subtotal:
  • ED0073623770-S - Voltage Regulator - Kohler Original Part - Image 1

    ED0073623770-S - Voltage Regulator - Kohler Original Part

    Kohler Engines

    $220.72
    $198.64
    Precision-engineered for seamless power management and consistent engine operation Maintains optimal electrical flow, safeguarding your equipment’s longevity 100% genuine Kohler OEM component ensuring flawless fit and durability ED0073623770-S Voltage...
    $220.72
    $198.64
    Qty in Cart: 0
    Quantity:
    Price:
    $220.72
    $198.64
    Subtotal:
  • ED0073623350-S - V.Regulat - Kohler Original Part - Image 1

    ED0073623350-S - V Regulat - Kohler Original Part

    Kohler Engines

    $218.83
    $196.94
    Depend on durability and precision with every Kohler replacement Optimized voltage regulation for consistent engine performance Engineered to maintain fuel efficiency and prolong engine life 100% genuine Kohler OEM part ensuring exact fit and trusted...
    $218.83
    $196.94
    Qty in Cart: 0
    Quantity:
    Price:
    $218.83
    $196.94
    Subtotal:
  • ED0073623070-S - V.Regulat - Kohler Original Part - Image 1

    ED0073623070-S - V Regulat - Kohler Original Part

    Kohler Engines

    $212.16
    $190.94
    Power your equipment with uncompromising precision and reliability Designed for optimal voltage regulation to safeguard your engine's electronics Ensures stable power delivery for consistent engine performance 100% genuine Kohler OEM part, engineered to...
    $212.16
    $190.94
    Qty in Cart: 0
    Quantity:
    Price:
    $212.16
    $190.94
    Subtotal:
  • ED0073621960-S - V.Regulat - Kohler Original Part - Image 1

    ED0073621960-S - V Regulat - Kohler Original Part

    Kohler Engines

    $186.36
    $167.72
    Engineered for Reliability: Experience consistent engine voltage control that safeguards your equipment. Precision Fit: Designed specifically for Kohler Engines, ensuring seamless integration and optimum performance. Durability You Can Trust: Built to...
    $186.36
    $167.72
    Qty in Cart: 0
    Quantity:
    Price:
    $186.36
    $167.72
    Subtotal:
  • ED0073620270-S - V.Regulat Rb7362-228 - Kohler Original Part - Image 1

    ED0073620270-S - V Regulat Rb7362-228 - Kohler Original Part

    Kohler Engines

    $157.55
    $141.80
    Precision meets durability: Experience uncompromising voltage regulation engineered to protect and optimize your Kohler engine. Consistent power output: This regulator ensures steady voltage control, supporting smooth engine operation and fuel...
    $157.55
    $141.80
    Qty in Cart: 0
    Quantity:
    Price:
    $157.55
    $141.80
    Subtotal:
  • ED00730A1360-S - Regulator - Kohler Original Part - Image 1

    ED00730A1360S Regulator Kohler Original Part - NO LONGER AVAILABLE

    Kohler Engines

    $109.12
    $0.00
    KOHLER Regulator Discover the high-quality KOHLER regulator, SKU ED00730A1360-S, designed to ensure optimal performance in your engine. Our store offers the best price on original replacement parts, guaranteeing durability and compatibility with your...
    $109.12
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $109.12
    $0.00
    Subtotal:
  • ED0048966740-S - Regulator Group Ruggerini - Kohler Original Part

    ED0048966740-S - Regulator Group Ruggerini - Kohler Original Part

    Kohler Engines

    $64.17
    $57.75
    Engineered to empower your engine’s precision and reliability. Seamless power regulation ensures optimal performance under demanding conditions. Durable construction designed to withstand wear and extend engine life. 100% genuine Kohler OEM part...
    $64.17
    $57.75
    Qty in Cart: 0
    Quantity:
    Price:
    $64.17
    $57.75
    Subtotal:
  • 63 403 05-S - Regulator/Rectifier - Kohler Original Part - Image 1

    63 403 05-S - Regulator/Rectifier - Kohler Original Part

    Kohler Engines

    $151.67
    $136.50
    Engineered to power your equipment with uncompromising precision and reliability. Maintains stable voltage output for consistent engine operation. Protects electrical components by efficiently regulating charging systems. 100% genuine Kohler OEM part,...
    $151.67
    $136.50
    Qty in Cart: 0
    Quantity:
    Price:
    $151.67
    $136.50
    Subtotal:
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