3445081 CAT Alternator Gp-Cha

3445081 | CAT Alternator Gp-Cha
$399.98

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
3445081
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Description for 3445081 Alternator

This aftermarket Caterpillar 3445081 Alternator is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Alternator.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 3445081 Alternator

Replacement Part Number(s): 344-5081, 20R0958
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 20.02 LBS | 9.08 KG
Dimensions: 12.80 x 11.02 x 10.43 (inches)
Condition: New

Exact Fit Guarantee for 3445081 Alternator

Looking for a reliable replacement Caterpillar 3445081 Alternator ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Dimensions 12.80x11.02x10.43
Customer Reviews
  1. 100%
    Australian buyer, sales where professional and very responsive with secure parts identification.
    Highly recommend.
    Bedrock Exploration Pty Lt, Australia

    Customer Follow-Up After Delivery:

    Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
    I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
    With thanks again.
    Regards, Gerard
  2. 100%
    Excellent Customer service
  3. 100%
    Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.
  4. 100%
    Been buying from them for years and have almost never had an issue. The few times I had a question or something to handle, they have shown amazing customer service. Great product and a great company.
  5. 100%
    helpful and professional.
    quick and professional service.
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Frequently Asked Questions

Product

What is the function of the 3445081 Alternator GP-CHA?

The 3445081 Alternator GP-CHA helps convert mechanical energy into electrical power to keep your equipment’s battery charged and its electrical systems running smoothly during operation.

How to install this 3445081 alternator GP-CHA?

Please follow the installation steps provided below
1. Begin by disconnecting the battery to ensure safety 
2. Remove the existing alternator by loosening its mounting bolts and disconnecting the wiring. Position the new alternator in place 
3. Reconnect the wires securely 
4. Tighten all fasteners. 
5. Finally, reconnect the battery and test the charging system to confirm proper operation. 
Professional assistance is recommended for best results.

Is this 3445081 alternator compatible with multiple machine models?

Yes, this alternator is designed to fit a range of heavy equipment models that require part number 3445081. Always confirm compatibility with your existing part number or service manual before ordering. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.

Does this 3445081 alternator meet industry performance standards?

Yes, this 3445081 Alternator GP-CHA is designed to meet OEM specification for reliability, durability, and electrical efficiency, ensuring long-lasting performance even in demanding work environments.

What are the signs that the 3445081 alternator needs replacement?

In case you observe any of the following:
1. Dimming lights 
2. Weak battery performance 
3. Unusual noises
4. Difficulty starting the machine 
If any of these occur, it’s best to inspect and replace the alternator as needed.

How do I maintain this alternator for optimal performance?

Regular maintenance for this
1. Regularly check belt tension, electrical connections, and mounting points. 
2. Keep the alternator clean and free of debris to maintain consistent charging performance and extend its service life.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 3445081 Alternator is compatible with the following models:

WHEEL TRACTOR-SCRAPER
631K 627 623 621 637 627K LRC 632 631 623K LRC 623K 621K 627K 637K 657 651
SITE PREP TRACTOR
586C
OFF HIGHWAY TRUCK
772 770 777 775 773 777G
MATERIAL HANDLER
MH3250 MH3022 MH3024 MH3032 MH3040 MH3050
MOTOR GRADER
140 120 140 GC
WHEEL SKIDDER
555D 535D 545D 525D
TRACK-TYPE TRACTOR
D5R LGP D6R XL D6K2 XL D6K2 LGP D5R XL D6R D6K2 D6R LGP
KNUCKLEBOOM LOADER
2484C 579C 559C 2384C
ASPHALT PAVER
AP1055 AP655 AP-1000F AP600 AP-1055F AP655F AP655F L AP600F AP1000
TRACK FELLER BUNCHER
522 521
PIPELAYER
PL61
OEM MOB HYD PWR UNIT
336MHPU
FORESTRY PRODUCTS
548 568
LOG LOADR FORST MACH
558
EXCAVATOR
324E 333 GC 320D2 335F 323F 320D L M318F 330D2 MH3040 340MHPU 324E LN 326 GC 349 GC 336 MHPU 320E L 548 320D2 GC 320D2 FM 320D GC 326D2 317 323D2 L 558 326F L 323E LN 326GC OTHER 326F 538 330F LN FM568 350 OEM 330GC 320 GC 320E RR 352 UHD 340 349 336 GC 320E LRR 352 350 324E L 320 326 330 GC 323 329E L 330 323D L 330D2 L 335 336 333 323D2 330F L 329E 326D2 L 329F L 335F LCR 320D 320E 323E L 329E LN 323E SA 320E LN 330F 329D2 L 320D2 L 329D2 323F L 326F LN 345 GC
MOBILE HYD POWER UNIT
329E 330 MHPU 350MHPU C7.1 330D2 330F 330FMHPU
GENERATOR SET
C7.1 GEN XQ230 3512B
WHEEL TRACTOR
631K 651 621K OEM 637K
HEX BASED SPL SOLUTION
320E 330F OEM
ENGINE
C15 C18 C13B C7.1 C9.3
TRACK LOADER
963 953 963K 953K
PETROLEUM ENGINE
C15 C18
LOCOMOTIVE ENGINE
C32
EJECTOR TRUCK
730C2 EJ 730C 740B 740
COLD PLANER
PM312 PM313 PM310
FOREST PRODUCTS
OTHER
WHEEL LOADER
962 966 972H 972L 972 966 GC 980 982 986H 950K 962L 962K 950M 950L 962M 966H 966L 930K 930M 950 950GC 950 GC 924K 980L 938K 938M 926M
ARTICULATED TRUCK
725C 730C2 725C2 730 EJECTOR 740C 740B 740 GC 730C 745C 725 735C 735B 745 730 735
WHEELED EXCAVATOR
MH3026 MH3024 M322 M318F MH3040 M320F M322F
ENGINE - INDUSTRIAL
MX35
INDUSTRIAL ENGINE
C32 C27 C18 C7.1 C9.3 C9.3B C13 C15
WHEEL SCRAPER
637K
QUARRY TRUCK
772G 770G
WHEEL FELLER BUNCHER
2570D 573D 563D 2670D
TRUCK
773G LRC 770G 772G 773G 773G OEM 775G 772G OEM 777G 777F 775G OEM 775G LRC 770G OEM

Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.