Belt, Yanmar 4JH3 3 Pulley Kit – 48″ Circumference
AltMount® Serpentine Belt with a 48″ circumference.
![Balmar Belt, Yanmar 4JH3 3 Pulley Kit - 48" Circumference [48-B-48]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-belt-yanmar-4jh3-3-pulley-kit-48-circumference-48-b-48.webp)
Balmar Belt, Yanmar 4JH3 3 Pulley Kit – 48″ Circumference [48-B-48]
Original price was: $47.99.$36.24Current price is: $36.24.
Sale!Related products
Sale!
![Balmar Alternator 97XD Series 190A, 24V, K6 Pulley [97XD-24-190]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-97xd-series-190a-24v-k6-pulley-97xd-24-190.webp)
Balmar Alternator 97XD Series 190A, 24V, K6 Pulley [97XD-24-190]
Original price was: $1,536.60.$912.95Current price is: $912.95.
Sale!
![Balmar Alternator 1-2" Single Foot J10 Serpentine Pulley RegulatorTemp Sensor - 170A Kit - 12V [XT-SF-170-J10-KIT]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-1-2-single-foot-j10-serpentine-pulley-regulatortemp-sensor-170.webp)
Balmar Alternator 1-2″ Single Foot J10 Serpentine Pulley RegulatorTemp Sensor – 170A Kit – 12V [XT-SF-170-J10-KIT]
Original price was: $894.41.$491.39Current price is: $491.39.
Sale!
![Balmar Alternator - 90 AMP - 24V - 3.15" Dual Foot Mount [XT-DF-24-90-DV]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-90-amp-24v-3-15-dual-foot-mount-xt-df-24-90-dv.webp)
Balmar Alternator – 90 AMP – 24V – 3.15″ Dual Foot Mount [XT-DF-24-90-DV]
Original price was: $717.59.$449.53Current price is: $449.53.
Sale!
![Balmar XT 250A Singleft Alternator, MC Regulator, T Sensors, Dualpul, Kit [XT-SF-250-DV-KIT]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-xt-250a-singleft-alternator-mc-regulator-t-sensors-dualpul-kit-xt-sf-250-.webp)
Balmar XT 250A Singleft Alternator, MC Regulator, T Sensors, Dualpul, Kit [XT-SF-250-DV-KIT]
Original price was: $1,058.21.$544.11Current price is: $544.11.
Sale!
![Balmar Alternator Vortec Internal Reg K6 Serpentine Pulley - 170A - 12V [XT-VT-170-IR]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-vortec-internal-reg-k6-serpentine-pulley-170a-12v-xt-vt-170-ir.webp)
Balmar Alternator Vortec Internal Reg K6 Serpentine Pulley – 170A – 12V [XT-VT-170-IR]
Original price was: $366.95.$203.88Current price is: $203.88.
Sale!
![Balmar Alternator 250 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley [XT-SF-250-K6]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-250-amp-12v-1-2-single-foot-spindle-mount-k6-pulley-xt-sf-250-.webp)
Balmar Alternator 250 AMP 12V 1-2″ Single Foot Spindle Mount K6 Pulley [XT-SF-250-K6]
Original price was: $842.39.$476.70Current price is: $476.70.
Sale!
![Balmar Alternator Vortec K6 Serpentine Pulley - 170A - 12V [XT-VT-170-K6]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-vortec-k6-serpentine-pulley-170a-12v-xt-vt-170-k6.webp)
Balmar Alternator Vortec K6 Serpentine Pulley – 170A – 12V [XT-VT-170-K6]
Original price was: $686.39.$348.51Current price is: $348.51.
Sale!
![Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-CR-250-K6]](https://www.boatmotorwarehouse.com/wp-content/uploads/2026/10/balmar-alternator-250-amp-12v-3-15-dual-foot-saddle-k6-pulley-xt-cr-250-k6.webp)