Caterpillar 9G-5127 9G5127 Breather

$ 26.23
+ Free Shipping
Bulk Pricing: Request a Quote
  • Availability: In Stock
  • Product Sku: 9G-5127-1Pack
Save With Multi Packs
Shopify secure badge

Cat Breather Assembly

Cat breather assemblies are designed to provide gases an escape route to filter the gases, oil, and water coming off from the heavy duty equipment.


  • Steel breather
  • Mounting thread: 1/4-18 NPTF
  • Hex size: 19 mm (0.75 in)
  • Cat parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact, and reuse.

Specifications for Cat 9G-5127 Breather:

Outside Diameter (in): 1.69
Height (in): 1.44
Diameter (in): 1.69
Hex Size (in): 0.75
Length (in): 1.44
Material Description: Steel
Thread Size (in): 1/4-18 NPTF


Engineer Support Tractor
30/30 DEUCE

Wheel-Type Loader
901C 901C2 902C 902C2 903C 903C2 903D 904B 904H 910 910E 910F 916 918F 920 924F 924G 924GZ 924H 924HZ 924K 926 926E 926M 928F 928G 928H 928HZ 930G 930H 930K 930M 930R 930T 936 936E 936F 938F 938G 938G II 938H 938K 938M 950 GC 950B 950B/950E 950E 950F 950F II 950G 950G II 950H 950K 950L 950M 950M Z 960F 962 962G 962G II 962H 962K 962L 962M 962M Z 966 GC 966C 966D 966E 966F 966F II 966G 966G II 966H 966K 966L 966M 966M XE 966R 970F 972G 972G II 972H 972K 972L 972M 972M XE 980C 980F 980F II 980G 980G II 980H 980K 986H 988B 988F 988F II 988H 990 990 II 992C 992D 992G 992K 993K 994F 994H 994K G910 G916 G926 G936

65 65B 65C 65D 65E 70C 75 75C 75D 75E 85C 85D 85E 95E

Engine - Generator Set
3412 3412C 3508 3508B 3512 3512B 3512C 3516 3516B 3516B GEN 3516C 3516E 3606 3608 3612 3616 C175-16 C2.2 C280-12 C280-16 CG137-08 CG137-12 G3406 G3412 G3412C G3508 G3512 G3516 G3516B G3520B PM3412 PM3508 PM3512 PM3516 PMG3516 POWER SYS PP3516 XQ35 XQC1200 XQC1600 XQG400

Wheel-Type Skidder
120C 508 515 518 525 518C 525B 525C 525D 528 528B 530B 535B 535C 535D 545 545C 545D 555D FB518

Off-Highway Truck
776D 777 777B 777C 777D 777F 777G 784B 784C 785 785B 785C 785D 785G 789 789B 789C 789D 789G 793B 793C 793D 793F 793F AC 793F CMD 793F OEM 793F XQ 794 AC 796 AC 795F AC 795F XQ 797 797B 797F 798 798 AC

Engine - Machine

Engine - Industrial
1673C 2016 3204 3304 3306 3306B 3408C 3412 3412C 3508 3508B 3508C 3512 3512B 3512C 3512E 3516 3516B 3516C 3516E 3561B C175-16 C175-20 C280-16 C3.4B C3.6 C32 CG137-08 CG137-12 D330C G3306 G3306B G3406 G3408 G3408B G3408C G3412 G3508 G3508B G3508J G3512 G3512B G3512J G3516 G3516B G3516J G3520B G3520J SCT673 SPF343 SPF343C SPF743 SPS342 SPS343 SPT342 SPT343

Track-Type Loader
931 931B 931C 931C II 933 933C 935B 935C 935C II 939 939C 943 953 953C 963 963B 963C 973 973C

C3.4B C4.4 TH336C TH337C TH3510D TH357D TH406C TH407C TH408D TH414C TH417C TH514C TH514D TL1055C TL1055D TL1255C TL1255D TL642C TL943C TL642D TL943D

Articulated Dump Truck
D20D D250B D250D D250E D250E II D25C D25D D300B D300D D300E D300E II D30C D30D D350C D350D D35C D400E II

Road Reclaimer
RM-250C RM-300 RM-350 RM-350B RM-500 RM400 RM500B RR-250 RR-250B SM-350 SS-250 SS-250B

Motor Grader
120G 120H 120H ES 120H NA 120M 120M 2 12G 12H 12H ES 12H NA 12M 12M 2 12M 3 12M 3 AWD 130G 135H 135H NA 140 140 GC 140G 140H 140H ES 140H NA 140M 140M 2 140M 3 140M 3 AWD 143H 14G 14H 14H NA 14L 14M 14M-3 14M3 150 16 160 160G 160H 160H ES 160H NA 160M 160M 2 160M 3 160M 3 AWD 163H 163H NA 16G 16H 16H NA 16M 16M3 18 18M3 24H

Wheeled Excavator

Paving Compactor
CB-334D CB-334E CB-335D CB-335E CP-533D CP-563D CP-663E CS-531D CS-533D CS-563D CS-573D CS-583D CS-663E CS-683E PF-290B PS-150B PS-200B PS-360B

Underground Articulated Truck

215 215B 235C 245B E240B E240C E300B EL240B EL240C EL300B

Wheel Tractor-Scraper
611 613C 613C II 613G 615 615C 615C II 623F 623G 633E

Earthmoving Compactor
815B 815F 815F II 815K 816B 816F 816F II 816K 825C 825G 825G II 825H 826C 826G 826G II 826H 836


Petroleum Products
3508B 3508C 3512B 3512C 3512E 3516B 3516C CX31-P600 CX48-P2300 G3520B TH31-E61 TH35-E81 TH48-E70 TH48-E80

Engine - Truck

Forest Products
533 543 HA770 HA771 HA870 HA871 TK370 TK371 TK380 TK381

Track-Type Skidder
120C 125C 4P 517 527 54H D4HTSK II D4HTSK III D5HTSK II

Wheel Dozer
814B 814F 814F II 814K 824C 824G 824G II 824H 834B 834S 834U 844 854G 854K

Backhoe Loader
415F2 IL 415 415F2 416 416F2 420 420F2 422F2 424B 424B2 426 426 F2 427F2 428 428F2 430F2 432F2 434 434F2 436 438 446

Skid Steer Loader
216B 216B3 226B 226B3 232 232B 236 236B 236B3 242 242B 246B 246 247B 247B3 248 248B 252 252B 252B3 257B 262 262B 267B 268B 277B 287B

Asphalt Paver
AP-1000B AP-800C AP-800D AP-900B BG-230 BG-230D BG-240C BG-260C

561M 571G 572G 572R 572R II 583K 594H PL72 PL83 PL87

Integrated Toolcarrier
IT12 IT12B IT14B IT14F IT18 IT18B IT18F IT24F IT28 IT28B IT28F IT28G IT38G IT38F IT38G II IT38H IT62G IT62G II IT62H

Marine Products
3508 3508B 3508C 3512 3512B 3512C 3516 3516B 3516C 3612 3616 3618 C280-12 C280-16 C280-8

Expanded Mining Products
6060 MD6250 MD6310 MD6540C

Track-Type Tractor
10 10SU 10U 140 141 143 153 163 3 3P 3S 4 4P 4S 5 53 54 55 56 56H 57 57H 58 58L 59 59L 59N 5A 5A PAT 5P 5S 6 6A 6S 6SU 7 7A 7S 7S LGP 7SU 7U 8 8A 8S 8SU 8U 9 9C 9S 9SU 9U D10N D10R D10T D10T2 D11 D11R D11T D3 D3B D3C D3C II D3C III D4C D4B D4C II D4C III D4E D4H D4H III D4H XL D5 D5B D5C D5C III D5C PAT D5C PATLGP D5E D5H D5H XL D5M D5R2 D6 D6 XE D6D D6GC D6H D6H II D6H XL D6H XR D6M D6N D6N LGP D6N XL D6R D6R III D6R LGP D6R STD D6R XL D6T D6T LGP D6T LGPPAT D6T XL D6T XL PAT D6T XW D6T XW PAT D6XE D7E D7E LGP D7G D7H D7R D7R II D7R LGP D7R SERIES D7R XR D8L D8N D8R D8R II D8T D9L D9N D9R D9T

Load, Haul, Dump
R1300 R1300G R1300G II R1600 R1600G R1600H R1700 II R1700G R1700K R2900 R2900G R3000H

Oem Solutions




* All fitment filter part numbers are based on your engine serial number.
* Please confirm with our team if you are unsure this filter will fit your engine.