Sale!

1 1

Hustler Relay Control Module (604373)

Name: Hustler Relay Control Module (604373)
Brand: vendor-unknown
Price: 185.95 USD
Availability: InStock

Hustler Relay Control Module (604373)

$185.95 USD

~~$186.01 USD~~ $185.95 USD

Sale Sold out

Shipping calculated at checkout.

Quantity In Stock:2

Please Note: There are no returns/refunds on electrical parts... see return policy HERE

Quantity

SKU:604373

"In Stock" items ship out by next business day.

"Special orders" typically ship out 4-7 business days from date of order. You will be contacted via email with longer delays.

View full details

Model Compatibility

Relay Control Module

Genuine Hustler Relay Control Module (Part #604307)

Product Specifications:

Component Type: Electrical Relay Control Module | Manufacturer: Genuine Hustler OEM | Application: FasTrak, Raptor, SD, SDX, Super Z, & X-One Series

This genuine OEM Hustler Relay Control Module manages critical electrical switching circuits across multiple commercial and residential zero-turn mowers. Engineered to Excel Industries factory standards, it delivers dependable interlock and relay control to ensure reliable engine starting, clutch engagement, and safety circuit operation.

Hardware & Maintenance Notice:

Inspect your mower's wiring harnesses, terminal plugs, and frame mounting ground connections prior to installation. Corroded pins or intermittent ground connections can damage electronic control modules.
Replacement wiring harnesses, ignition switches, safety interlock switches, and starter relays are available above in our You May Also Like... section.
Always verify your machine's complete 6-digit model number and serial number/VIN prior to ordering to guarantee exact fitment.

Series	Compatible Model Numbers / Specifications
FasTrak	933424 — HTFSTS048KAWFR691VA 933432 — HTFSTS054KAWFR691VA 933440 — HTFSTS060KAWFR730VA 934851 — HTFSTR048KAWFR691VA 935627 — HTFSTR054KAWFR691VA 936054 — HTFSTS048KOHZT730A 936062 — HTFSTS054KOHZT730A 936070 — HTFSTS060KOHZT740A 936088 — HTFSTR048KOHZT730A 936104 — HTFSTR054KOHZT730A 938043 — HTFSTS054KOHEKT750A 938050 — HTFSTS060KOHEKT750A 938704 — HTFSTS048KAWFR691VA 938712 — HTFSTS054KAWFR691VA 938720 — HTFSTS060KAWFR730VA 938738 — HTFSTR048KAWFR691VA 938746 — HTFSTR054KAWFR691VA 938753 — HTFSTS054KOHEKT750A 938761 — HTFSTS060KOHEKT750A 941724 — HTFSTS048KAWFT691VA 941732 — HTFSTS054KAWFT691VA 941740 — HTFSTS060KAWFT730VA 941757 — HTFSTR048KAWFT691VA 941765 — HTFSTR054KAWFT691VA 941773 — HTFSTS054KOHEKT750A 941781 — HTFSTS060KOHEKT750A
SD	932491 — Rear Swept Kawasaki FX600 (19HP) 932517 — Rear Swept Kawasaki FX600 (19HP) 933481 — Kawasaki FS691 (23HP) 933499 — Kawasaki FS691 (23HP) 933507 — Kawasaki FS730 (24HP) 933841 — SD Series Chassis
SDX	933945 — Kawasaki FX691 (22HP) 933952 — Kawasaki FX691 (22HP) 933960 — Kawasaki FX730 (23.5HP) 936112 — HTFSXS048KOHZT730A 936120 — HTFSXS054KOHZT730A 936138 — HTFSXS060KOHZT740A 936146US — HTFSXS048KOHZT730U 936153US — HTFSXS054KOHZT730U 936161US — HTFSXS060KOHZT740U 938779 — HTFSXS048KAWFX691VA 938787 — HTFSXS054KAWFX691VA 938795 — HTFSXS060KAWFX730VA 941674 — HTFSXS048KAWFX691VA 941682 — HTFSXS054KAWFX691VA 941708 — HTFSXS060KAWFX730VA
Raptor	931741 — Kawasaki FR651 (21.5HP) 931881 — Raptor Chassis 931899 — Kawasaki FR691 (23HP) 931998US — Raptor Chassis 932004US — Raptor Chassis 933069 — Kawasaki FR651 (21.5HP) 933077 — Kawasaki FR691 (23HP) 933382 — Kawasaki FR541 (15HP) 933408US — Raptor Chassis 933937 — Kohler 7000 w/Smart Choke (22HP) 934414 — Kohler 7000 w/Smart Choke (24HP) 934505US — HTRTRS042KOHKT725U 934513US — HTRTRS052KOHKT735U 934786 — HTRTRS042KOHKT725M 934794 — HTRTRS052KOHKT735M 935734 — HTRTRS036KOHKT610A 935742 — HTRTRS042KOHKT725A 935759 — HTRTRS052KOHKT735A 935767US — HTRTRS036KOHKT610U 935817 — HTRTRS052KOHKT735M 937748 — HTRTRS042KAWFR651VA 937755 — HTRTRS052KOHKT735A 937763 — HTRTRS052KAWFR691VA 937813 — HTRTRS052BASPROM44U7M 937847 — HTRTRS042KAWFR651VM 937854 — HTRTRS052KAWFR691VM 938159 — HTRTRS036KOHKT610A 938167 — HTRTRS042KOHKT725A 938563 — HTRTRL036KOHKT610A 938571 — HTRTRL042KOHKT725A 938589 — HTRTRL042KAWFR600VA 938597 — HTRTRL052KOHKT735A 938605 — HTRTRL052KAWFR691VA 939165 — HTRTRL052BASPROM44U7M 939215 — HTRTRL042KAWFR600VM 939223 — HTRTRL052KAWFR691VM 939389 — HTRTRL036KAWFR541VA
Raptor Flip-Up	933614 — HTRFUS048KOHKT740A 933622 — HTRFUS054KOHKT740A 933846US — HTRFUS048KOHKT740U 933853US — HTRFUS054KOHKT740U 934745 — Flip-Up Kohler KT740 (25HP) 935940 — Raptor Flip-Up 935957 — Raptor Flip-Up 935965 — Flip-Up Kohler KT740 (25HP) 938464 — HTRFUL048KAWFR691VA 938472 — HTRFUL054KAWFR691VA
Raptor Limited	934802 — HTRTLS052KOHKT735M 934893 — Kohler 7000 Series w/SC (24HP) 936492 — HTRTLS052KAWFR691VA 936500 — HTRTLS052KAWFR691VM 937771 — HTRTLS052KAWFR691VA 937862 — HTRTLS052KAWFR691VM 938613 — HTRTLL052KAWFR691VA 938977 — HTRTLL042KAWFR651VA
Raptor SD	932541 — Kawasaki FR730 (24HP) 932558 — Kawasaki FR691 (23HP) 932566 — Kawasaki FR691 (23HP) 933119 — Raptor SD 933127 — Kawasaki FR730 (24HP) 934547US — HTRSDS048KOHKT740U 934570 — Kohler 7000 Pro (22HP) 934588 — Kohler 7000 Pro (22HP) 934596 — Kohler 7000 Pro (25HP) 934604 — Kohler 7000 Pro (25HP) 934612 — Kohler 7000 Pro (26HP) 934760 — HTRSDS054KOHKT740M 934778 — HTRSDS060KOHKT745M 935825 — HTRSDS048KOHKT740A 935833 — HTRSDS054KOHKT740A 935841 — HTRSDS060KOHKT745A 935858US — HTRSDS048KOHKT740U 935866US — HTRSDS054KOHKT740U 935882 — HTRSDS054KOHKT740M 935916 — HTRSDS060KOHKT745M 936682 — HTRSDS036KOHKT725A 936708 — HTRSDS042KOHKT725A 936716US — HTRSDS042KOHKT725U 937748 — HTRTRS042KAWFR651VA 937763 — HTRTRS052KAWFR691VA 937789 — HTRSDS048KAWFR691VA 937797 — HTRSDS054KAWFR691VA 937805 — HTRSDS060KAWFR730VA 937821 — HTRSDS054BASPROM44S9M 937839 — HTRSDS060BASPROM44S9M 937870 — HTRSDS054KAWFR691VM 937888 — HTRSDS060KAWFR730VM 938019 — HTRSDS048KOHKT740A 938027 — HTRSDS054KOHKT740A 938035 — HTRSDS060KOHKT745A 938134 — HTRSDS036KOHKT725A 938142 — HTRSDS042KOHKT725A 938530 — HTRSXL048KAWFR691VA 938548 — HTRSXL054KAWFR691VA 938555 — HTRSXL060KAWFR730VA 938621 — HTRSDL036KOHKT725A 938639 — HTRSDL042KOHKT725A 938647 — HTRSDL048KOHKT740A 938654 — HTRSDL048KAWFR651VA 938662 — HTRSDL054KOHKT740A 938670 — HTRSDL054KAWFR691VA 938688 — HTRSDL060KOHKT745A 938696 — HTRSDL060KAWFR730VA 939173 — HTRSDL054BASPROM44S9M 939181 — HTRSDL060BASPROM44S9M 939199 — HTRSDL054KAWFR691VM 939207 — HTRSDL060KAWFR730VM 939223 — HTRTRL052KAWFR691VM 939397 — HTRSDL036KAWFR651VA 939405 — HTRSDL042KAWFR651VA
Raptor SDX	936476 — HTRSXL054KAWFR691VA 936484 — HTRSXL054KAWFR691VM 938530 — HTRSXL048KAWFR691VA 938548 — HTRSXL054KAWFR691VA 938555 — HTRSXL060KAWFR730VA 939256 — HTRSXL054KAWFR691VM 939264 — HTRSXL060KAWFR730VM
Raptor X	939694 — HTRTXS042KAWFR600VA 939702 — HTRTXS054KAWFR651VA 939876 — HTRXLS054KAWFR691VA 939884 — HTRXLS042KAWFR651VA
Raptor XD	939744 — HTRXDS048KAWFR651VA 939751 — HTRXDS054KAWFR691VA 939769 — HTRXDS060KAWFR730VA 939819 — HTRXDS042KAWFR651VA
Raptor XDX	939827 — HTRDXS048KAWFR651VA 939835 — HTRDXS054KAWFR691VA 939843 — HTRDXS060KAWFR730VA
Super Z HD	943969 — HTSHDV060KAWFX1000VA 943977 — HTSHDV060KAWFX1000VEFIA 943993 — HTSHDV072KAWFX1000VA 944017 — HTSHDV072KAWFX1000VEFIA 944025 — HTSHDR060KAWFX1000VEFIA 944033 — HTSHDR072KAWFX1000VEFIA 944041 — HTSHDV072BASVANM61TEOGA
Super 104	944058 — HTSWSR104KAWFX1000VEFIA 944066 — HTSWSR104BASVANM61TEOGA
X-One	941831 — HTXHGX052KAWFX850VA 941856 — HTXHGX060KAWFX850VA 941864 — HTXHGX052KOHCV742A 941872 — HTXHGX072KAWFX850VA 941880 — HTXHGX060KOHCV742A 941898 — HTXHGX060KAWFX850VEFIA 941922 — HTXHGR054KAWFX850VA 941930 — HTXHGR060KAWFX850VA 941971 — HTXHGX072KAWFX850VEFIA 943787 — HTXHGX052KAWFX850VA 943795 — HTXHGX060KAWFX850VA 943811 — HTXHGX072KAWFX850VA 943829 — HTXHGX072KAWFX850VEFIA 943837 — HTXHGR054KAWFX850VA 943845 — HTXHGR060KAWFX850VA 943894 — HTHSZV060KAWFX1000VEFIA 943985 — HTSHDV060BASVANM61TEOGA
Surfer Pro	941591 — HTSRPS034KAWFR541VA 941617 — HTSRPS048KAWFR541VA

Note: Always check your machine's serial number or VIN to confirm exact fitment before ordering.

Weight and Dimensions

Weight	0.3 lbs

No Hassle Returns

You may return parts and products for any reason within 30 days of the delivery date. All products must be unopened and returned in sellable condition. Return shipping including the purchase of shipping labels is the responsibility of the buyer. For your convenience, we offer the option to request a shipping label (the cost of shipping will be deducted from refund). The Mower Shop provides prepaid return shipping labels in the following cases: carrier damage, lost packages and incorrect items.

Read Full Return Policy

Shop with confidence

4.8 Rating
Read our reviews on Google
Free Shipping**
Parts/Accessories Orders over $129.99
**Exceptions apply for oversize or overweight packaging
Genuine Parts
Designed to fit your model

Hustler Relay Control Module (604373)

Hustler Relay Control Module (604373)

Relay Control Module

Shop with confidence

4.8 Rating

Free Shipping**

Parts/Accessories Orders over $129.99

Genuine Parts

Related Products

1 Gallon - Hustler Hydrostatic Transmission Oil (606953)

1 Quart - Hustler Hydrostatic Transmission Oil (606952)

21" Toro Personal Pace SMARTSTOW Super Recycler Mower (21565)

22" Toro Recycler Trailing Shield (114-1585)