Caterpillar 9Y2988 Replacement Breather Assembly 

*It Is Up To You To Decide For Sure If This Item Fits Your Machine. If You Need Help, Please Call Or Email Us.*

Fits Caterpillar® Applications:

Articulated Dump Truck: 725 (S/N: 3T9), 725C (S/N: LFB; TFB), 725C2 (S/N: 2L6; 2T3), 735 (S/N: AWR), 740 (S/N: AXM; AZZ), 768C (S/N: 02X), D40D (S/N: 2JJ), D400D (S/N: 8TF)

Cold Planer: PM310 (S/N: NM9), PM312 (S/N: NJX), PM313 (S/N: JHZ), PR450C (S/N: 7PJ), PM565 (S/N: 3TK)

Compactor: 825C (S/N: 86X), 826C (S/N: 87X), 836 (S/N: 3RL)

Crawler Tractor-Loader-Dozer: 973 (S/N: FSA), 973K (S/N: MKL; AF9), D6 (S/N: EDL; HNK; KEW; KKD; KMT; KTW; PVD; RBP; RDC; XMM; ZMA, AG9; GZ9; HR9; JJ6; KD5; LB5; LB7; LF9; RA9; SA9; SG6; TB6; WH5; 6A4; 6G4; 6L4; 6M4; 6N4), D6T (S/N: HYT; JML; JNM; NDY; SGZ; AK7; MB5; MH7; 2B3; 2D2; 7C9; K1R), D6T LGP (S/N: EJJ; HTZ; JRW; KSB; PLR; SGT; ZJB), D6T LGP PAT (S/N: RAD; CR3), D6T XL (S/N: DTD; GMK; JZC; KMR; MEL; TSM), D6T XL PAT (S/N: SGA; WES), D6T XW (S/N: RCW; RRK; SLJ; TMY; WLM; CG8), D6T XW PAT (S/N: STE; WRN), D6XE (S/N: HFE; HLY; HMH; HZL; LNC; LRG; TPL; WGY; B72; ES9; D5M; 6B2; 6B4; 6R8; 6S7; 6T3; 6Y6), D7 (S/N: HPM; HXA; CM9; EW7), D7E (S/N: HKA; MDB; SCG; SSH; TAN), D7E LGP (S/N: TJA), D8N (S/N: 1XJ; 5TJ; 7TK; 9TC), D9N (S/N: 1JD; 6XJ), D10N (S/N: 2YD; 3SK)

Dump Truck: 769C (S/N: 01X), 771C (S/N: 3BJ), 772B (S/N: 64W), 773B (S/N: 63W), 775B (S/N: 7XJ)

Engine Generator Set: 3406B (S/N: 2WB; 4JK; 4RG; 4PM; 9PL), 3406C (S/N: KPS; LRX; NKM; ZKC; 1LS; 2AM; 2WB; 4BM; 4RG; 4ZR; 5FS; 8FS; 9ES; C2G; C2Y; C5G; C8G), 3406E (S/N: 9NN), 3408 (S/N: 78Z), 3408B (S/N: 4JK; 78Z), 3408C (S/N: 78Z), 3412 (S/N: 81Z; 2WJ), 3412C (S/N: BAX; BCW; LRY; 81Z; 4BZ; 9EP), 3456 (S/N: 9BZ), 3608 (S/N: 6MC), CG137-12 (S/N: FYR; SC2), DE350SGC (S/N: RZ2; 3B2), DE400SGC (S/N: RZ3), G3406 (S/N: KAR; 6G7; 6R9; R7E), G3412 (S/N: GNA; KAP; N47; N49; E4W; E4Y; R7A), G3412C (S/N: SPY; 9RR), SR4 (S/N: 2WD; 5GA; 5HA; 6BA), SR4 (S/N: 2WD; 4LM; 5DD; 5GA; 5HA; 5JM; 6BA; 6JM; 9GF)

Excavator: 324D (S/N: CJX; JZR; MND; T2D), 324D L (S/N: BTK; DFP; GPK; JAT; JJG; LAB; PYT; SYM; TSN), 324D FM (S/N: JKR), 324D FM LL (S/N: JLS), 324D LN (S/N: EJC; TRH), 325D (S/N: DBH; KDG), 325D FM (S/N: C7K; C8L), 325D FM LL (S/N: C9M), 325D MH (S/N: RJK; C4H), 326D L (S/N: PJM), 325D L (S/N: AZP; CYW; ERK; GBR; KBE; LAL; PAL; SCR; A3R; T2S), 326D L (S/N: PJM), 328D LCR (S/N: GTN; MKR; RMX; SWF), 329D (S/N: BYS; CTZ; WDK), 329D L (S/N: BFC; CZF; DJF; JHJ; MNB; RSK; TPM; TZL; WLT; XDB; YFW), 329D LN (S/N: EBM; SCY), 336E (S/N: CMR; KED), 336E H (S/N: HDW), 336E L (S/N: BMH; BZY; DPX; FJH; GTJ; JRJ; TEG; YCE; YEP), 336E LH (S/N: GNY; JEA; RZA), 336E LN (S/N: TMZ), 336E LNH (S/N: SSL), 336F (S/N: KCS; LJY; NBL; TJE; WCF; YFD), 336F L (S/N: DSW; LCL; NBS; RKB; SSN; TZA; WTZ; ZBJ), 336F L XE (S/N: DFY; KGH; LTP, PFL), 336F LN (S/N: DKF; KFT; RBC), 336F LN XE (S/N: MTW; YBH), 336F XE (S/N: NAJ), 340F (S/N: DWK; EAR; RBD; SGH), 340F L LRE (S/N: YBF), 340F L UHD (S/N: WBX; XBD), 568 FM (S/N: YJX; L68; GF8), 568FM LL (S/N: BRB), M325D MH (S/N: EDF; GE8), M325D L MH (S/N: ETE; KAY; KGG)   

Industrial Engine: 3406 (S/N: 90U), 3406B (S/N: WJA), 3406C (S/N: 3ER; 4GW; 5H9; 6TB; 7T2), 3406E (S/N: 6BR), 3408 (S/N: 67U), 3408B (S/N: 67U; WJA), 3408C (S/N: 9ER), 3412 (S/N: 38S; 9XF), 3412C (S/N: 8AR), 3412E (S/N: BDT; 4CR), 3456 (S/N: 3LW), 3608 (S/N: 6MC), CG137-08 (S/N: ST8), DE400GC (S/N: 3B5), DE400SGC (S/N: 3B3), G3406 (S/N: 1RK; 4FD; 5NW; 6F3; 6H6; 6H7), G3408 (S/N: N42; 6FW; 6NB; 8TR), G3408B (S/N: 6RJ), G3408C (S/N: BAZ; 3WR), G3412 (S/N: N43; 3NK; 6ZM; 7DB; 8LW), G3412C (S/N: N46), G3508 (S/N: 4WD), HT400 (S/N: 714)

Log Loaders: 324D FM (S/N: JKR), 324D FM LL (S/N: JLS)

Machine Engine: 3408 (S/N: 67U), 3412 (S/N: 38S), 3412C (S/N: 3FZ)

Marine Engine: 3406B (S/N: 4TB), 3406C (S/N: 1SS; 4T7), 3406E (S/N: 9WR), 3408 (S/N: 99U), 3408B (S/N: 99U), 3408C (S/N: 1TS), 3412 (S/N: 60M; 5RL), 3412C (S/N: 9BR), 3412D (S/N: REA), 3608 (S/N: 6MC)

Motor Grader: 16G (S/N: 93U), 16H NA (S/N: 6ZJ)

Pipelayer: 578 (S/N: 8HB), 589 (S/N: 31Z), PL72 (S/N: P72; P73)

Road Reclaimer: RM350 (S/N: 5FK), RR250 (S/N: 6ED)

Scraper: 621 (S/N: 2DB), 621B (S/N: 45P; 2GB; 6XB; 7KC; 8HC), 621E (S/N: 2PD; 6AB; 6BB), 621F (S/N: 4SK; 8PL), 623B (S/N: 46P), 623E (S/N: 6CB; 6YF), 623F (S/N: 5EW; 6BK), 627 (S/N: WYG; WYL), 627B (S/N: 14S), 627E (S/N: 6EB; 6GB; 7CG), 627F (S/N: 1DL), 627H (S/N: DBW; LCT), 627K (S/N: WTC), 627K LRC (S/N: WTN), 637 (S/N: WYN; WYR; WYS; WYT), 637K (S/N: WTT; WTS; WTY; WTX), 657E (S/N: 90Z; 91Z)

Truck Engine: 3406B (S/N: 2EK; 3ZJ; 4CK; 4MG; 5KJ; 5YG; 8TC), 3406C (S/N: 3ZJ; 4CK; 5KJ; 8PN), 3406E (S/N: 2WS; 5DS; 5EK; 6TS), 3408 (S/N: 28V), 3408B (S/N: 28V)

Underground Mining Loader: R2900 (S/N: BAR; 5TW)

Wheel Dozer: 814B (S/N: 16Z), 824C (S/N: 85X), 834B (S/N: 92Z), 834S (S/N: 96G), 834U (S/N: 14B)

Wheel Loader: 950H (S/N: JAD; JLX; MXL; K5K; J5J; M1G; N1A), 962H (S/N: MAL; PCW; SSA; K6K; J6J; M3G; N4A), 980C (S/N: 63X; 2XD), 980F (S/N: 3HK; 5XJ; 8CJ), 980F II (S/N: 4RN; 8JN), 980G (S/N: 2KR; 2SR, 9CM), 988B (S/N: 50W), 992C (S/N: 49Z), 992D (S/N: 7MJ), IT62H (S/N: M5G)

This Is A Brand New Aftermarket Item.